Ls Swap No Spark No Injector Pulse

I have only revised it, attempting to make it easier to read, and posting it to assist fellow AFM Members with their issues. Interestingly, in the 19 years between TPI and LS1/LS6 engines, fuel injector length (measured between the O-rings) stayed around 2. nothingleft09. I have an issue with my Disco 2/V8 (Yom 2000) with intermittent running and failing to start. Used a noid light to test each injector clip, no dice. Engine cranks and turns over but no spark at the coils. Spark good at plugs. Problem Reports If you have a problem with your Eclipse you need assistance with, this is the forum to post your question and get answers. I checked every sensor with electrical tester, checked distrubitor and it spins i even got a new cap and the little piece which runs in circles for the distrubitor. Replied by Noah on topic 1994 Lexus LS400 Crank- but No Spark and No Start This video on the free channel is a 1991 LS400 with a no spark condition. Help with 1mz-fe swap, no spark Project Cars; Features just says pulse train when idling, lots of help that is when it wont start. The fuel lines are pressurized and the pump is turning on. The fuel injector in a Chevy is responsible for metering the fuel that enters the intake manifold, and ultimately the engine. The Chrysler 2. ) It was starting/running fine one day, the next day I went to start it and it will crank but won't fire up. Cam plug has power, maf has power, and the Coils and injectors have power when cranking over but noid light shows no injector pulse. We just replaced the long block, the car was running previously, but after the swap it just doesn't want to fire up. The fuel injector in a Chevy is responsible for metering the fuel that enters the intake manifold, and ultimately the engine. FI light assembly 9. Ls3 swap, no spark, no injector pulse. Just got the motor in and ready to fire but it has no spark or injector pulse. my modis/software is updated to 08, but doesnt show either one. No Spark during cranking With my limited knowledge of the Howell TBI's interaction with the Motorcraft ignition, I don't understand why there isn't any fuel even though there is no spark. Picked up a free sp last month, tried firing it up today with new batt - cranks very well but no spark. As you let go of the key and return it to the run position, the injectors give one squirt. Alternately, ignition coils with the built-in igniters (like the LS1/LS2 coils) work great without a module. Jul 13, 2016 #2. The PCM is from a 98 Buick Regal GS. I pulled the main wire from the coil to the distributor and put a spark plug on it. You may have to register before you can post: click the register link above to proceed. Fuel pump turns on and stays on while cranking for awhile. I'm hoping it's crank sensor related but wasn't sure what the vats would do if that was somehow triggered. I can't ever get spark or injector pulse. Troubleshooting the fuel-injection system in the Ford Ranger can be a daunting task. No Start 1: Checking For Spark. Great prices on aftermarket 2005 Chevrolet Malibu auto parts and accessories. Show Full Signature. Unfortunately, my "slightly used" LS3 is showing NO signs of life. Add to Wishlist. The below simply applies logic to the No Start troubleshooting trees and can save you a lot of time. At least for the level I am at now. Initially checked for spark at a couple of spark plugs and also at coil connector on top of distributor. No spark while cranking for all cylinders Crank sensor = 2000 ohms cold Bypasses Ecu and Backprobed ignitor got. Then I replaced the fuel pump because I knew it was gonig bad any way. Spark at spark plug, but no start. Pick up a Used 2002 Malibu 3. So I did an obd2 swap into my 93 corrado. Posted by Member: Separate name with a comma. In this second installment of parts you need for an LS-engine swap, we focus on options for connecting the ignition, fuel delivery-system, and cooling components to complete the swap. The LS1 and LS6 Corvette throttle body was also used with the LS6 engine in the 2004-2005 Cadillac CTS-V. The 830HP pump gas 434 that could. We also rebuild & sell carburetors and can do powder coating. The 4-wire plug on the left (also 92 engine harness) has no match on my 91 distributor, but the big black/yellow trace wire was 12 volt and placing it in the two-wire plug gave me spark, but no injector pulse. The signal to collapse the field and fire the spark comes from the ECU, based on data from the CPS/CKP as it reads the flexplate/flywheel and generates a high or low signal. I have pulse at the injectors when the key is in the on position, Fuel in the rail, between 1-2 ohms resistance on the injectors, yet no fuel. Posted: Sun Sep 15, 2019 12:23 pm Post subject: All New Parts - No Start (1981 air-cooled). Things I've tested: Power to fuel pump/Fuel pump kicks on while cranking fuel pressure is good at the rail. I have changed the cam and crank position sensors but I am having the same issue. Crank the engine and see if there's spark in that plug. The car cranks fine, but there is no spark and it seems as though the injectors aren't spraying either. As the title says I am having a no spark no injector pulse issue. Could still be your Cam sensor. P0336: Inconsistent Crank Sensor Signal Detected. 91's/posi spring kit, harrop cover, 1 3/4 Kooks long tubes. 2 with a no start condition. But injectors pulse works off of ground from ecmyou have to have the grounds at thermostat and intake or will not pulse injectors. DIY information that can be done with or without expensive scan tools ( if possible ). 2nd Gen Ram Tech - no injector pulse - ok, i have about had it with this truck and its issues since i bought it. Remove the access panel under the driver’s dash and locate the fuse box. I currenty have an ls3 crate engine which has a cam only, 237/248 @. As for IGN settings they are as follows. Red/white wire is wire to ignition +12V, black loose wire is to ground, ECU Power & ground is directly to battery. These O-rings are readily available. Re: 1JZ Swap into Miata - No Start, no fuel, no Injector Pulse Expert Suggestions So I'm on with the electrical issue with the 1JZ in the Miata / MX5 and now Ive found that with nothing attached on either terminal with the exception of one earth strap from the negative to the chassis, that I'm still getting continuity to ground to the 12V positive terminal. Salvage yard have used or parts places also have rebuilt computers. As some of you may remember I talked about swapping a ka24de into a 720. 0 and later code has a cranking taper curve. By 1979 with the Bosch Motronic engine management system, technology had advanced to include simultaneous control of both the ignition timing and fuel delivery. btw its a 96 quattro AAH engine, help is greatly appreciated. There is no injector pulse, and the coil packs are not firing. Order online and have it delivered, or pick up at your local store. I took the PCM and hooked it to another LS1 swap car and it ran so it's not the PCM. I'm hoping it's crank sensor related but wasn't sure what the vats would do if that was somehow triggered. Ignition, Electronics, & EFI. had 3 of these cases last year. 3, it cranks but wont start, 1500 silverado 4x4, fuel pressure good, injector pulse is good, - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. I due have spark though and fuel pressure also I can make it run on carb. To troubleshoot the fuel injector system in your LS1 swap, you should always check your MIL status first for any stored check engine lights. 98TDI big turbo, 87Scirocco 16v on MS, 97 A4 VR6 Swap, 78 450SLC 1 point · 4 years ago. 7L LS1 06-16-2009, 09:37 PM Check spark at coil, noid light on injector. I need help with the procedure to check for a good signal from the ECU and sort this thing out. Relay under battery 5. A bad MAP sensor is on the top of my list. No stumbling, plenty of power, etc. I used the following for my three wire hookup to the engine harness from the AAW accessories connector: dark blue fuel to gray fuel power feed on harness, orange BAT1 to orange constant power, and pink IGN1 to pink ignition on harness( this also says. The car still does not start however, they say it cranks but there is no spark to the ignition coil. Engine cranks fine and fuel pump runs. All is good on every injector. But any LS motor will have more mods available for it then any Pentastar motor will. I am ready to start my 89 c1500 -00 5. If NO: The ECU is not firing the Check Engine Light. I'll edit this thread as solved. Fuel Injected Mustangs "Crank and No Start" Checklist First and foremost, I want all those reading this to know that I, personally, did not write this Checklist. Followers 0. In relation to your no injector pulse problem, check the wiring harness from the distributor to the ECM. Salvage yard have used or parts places also have rebuilt computers. I have injector pulse. the black box next to the battery that has all the fusing and relays). Ok, i didnt want to start a new thread, im having the same prob. Replaced plugs, fuel filter and fuel pressure regulator. Green Spark C – Injector #4 (rear injector) Red (12v source, I added this, it connects to all 4 injectors) – this goes to a 12V switched source or the 4runner resistor box 12V – you need to remove that resistor box if you use high impedance injectors. 2000 Chevy Malibu LS engine 3. So the pickup coil or ICM is what signals the injector to pulse? Just seems to me that if one of these were bad there would be no spark. Can't get i. Traced it to no spark and no injector pulse when the trouble occurs. 98TDI big turbo, 87Scirocco 16v on MS, 97 A4 VR6 Swap, 78 450SLC 1 point · 4 years ago. No spark due to a bad crank position sensor, a faulty ignition module or PCM, a problem in the ignition circuit (ignition switch, antitheft system, wiring, etc. It has been a month and a half now and I have gotten no where. No stumbling, plenty of power, etc. The engine revs smoothly but runs out of steam before 4500 rpm. I'm reluctant to put in the new part as it's 195. If it isn’t, check the following: NO FUEL PRESSURE: Check the relay. Diagnosing a clogged injector is not always easy. Great prices on aftermarket 2005 Chevrolet Malibu auto parts and accessories. NRMA guy told me it was probably the crank angle sensor so I replaced it but still no start. Besides the either "Wide open throttle" or zero injector pulse, I also have no spark at coil, so no spark to distributor or plugs. Out of 200 no starts one no spark in 12 years was a smashed crank senser got a steel ball berring from coged idler at some point. will add BUT I think you can find it and swap or. As the title says. Even if I've killed the ALT, the car should still start?. CraigE Sr. You can find all of these ignition system tests here: How to Test the Ignition Coils GM 2. With no crankshaft signal you won't get the fuel pump to turn back on after the two second priming pulse as described above, and you don't get injector command. it is an auto pcm, but was running and driving fine before. It could be the CAS also. The only injector plug that gets a pulse is on cylinder 1. Replaced the crank sensor and the engine control relay with an OEX unit from Ashdown's. I replaced the ecu to be sure the immobilizer wasn’t causing the problem. The P0336 is the crankshaft position sensor signal is missing. No codes stored in ECM 2. My 850 is dead in the water, no spark! So I decided to give it some exercise yesterday and drive it to work, it started as usual on half a turn, drove 30 miles no problem. just got the car hooked back up tonight after 2 years and im getting no rpm signal or inj pulse width readings. And the Pentastar is lighter. If the noid stay on then your injector ARE staying on. As for IGN settings they are as follows. I took the PCM and hooked it to another LS1 swap car and it ran so it's not the PCM. Must look for a replacment for testing _____ I`m a Viking with bad English writing and a happy owner of a E-tec 150 HO 2007. Grounds all over are good. I can swap both out tomorrow with two known good ones from an EJ25 I have kicking around, but I don't think that's going to solve my ECM communications problem. I have no spark or injector pulse can this all caused by the crank angle sensor or am I looking at an ecu problem. 12V at centre pins of coil packs. Each 305 crate engine starts with a stock GM 305 block. Checking the plug firing is easy as you know, but checking injector pulses isn't. theres power going directly to the msd from the battery but. Also do I have this in the right forum or should it be in the Gen. If you get no spark, then the next step is to check for spark directly on the ignition coil pack tower. If your fuel injectors are dirty or are leaking, you'll notice decreased performance, increased fuel consumption,. It didn't work, so then I check pin 38 (black/white) wire which I'm pretty sure sure is the return power from the eccs relay to the ecu to power it. Can not find blown fuse. #3 - If there is no spark, substitute a new coil and repeat test #2. No spark while cranking, when you lift of the button it sparked. No spark Ultimate LS 70004. Just updated software & firmware. I am now pushing a 2005 Altima with 2. The engine is an L67 rebuilt from the ground up, but originally came from a 98 Buick Park Avenue Ultra. Cranks OK, but No Start Checklist for Fuel Injected Mustangs. View Full Version : Integra / RSX Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 [31] 32 Radiator fans are dead, anyone used. I have fuel and it cranks, there is also power at the coil. I replaced the ecu to be sure the immobilizer wasn’t causing the problem. We tried to pull a code using the multimeter, but according to Hayes, the needle should sweep from 0-12v, or stay at 12v first, to indicate code vs. 2001 vx gen3 LS1 injector pulse. I have an issue with my Disco 2/V8 (Yom 2000) with intermittent running and failing to start. You may have to register before you can post: click the register link above to proceed. I checked all coils and all the coils give no spark. No fuel injector pulses from the fuel injector connectors as tested using a Noid Light. Is the Service Engine Soon light on when the engine is running? If so, what DTC's are stored? nothingleft09. The fuel injector in a Chevy is responsible for metering the fuel that enters the intake manifold, and ultimately the engine. when running. I have no boost at this time since I am just want to break in the clutch. Replaced EFI relay, and main engine relay , & ignitor , & distributor ,no start Car sat for a few days and started right up drove 2 miles coming home shut down again cranks but no start , Sat for a few days started up ran shortly and cut off. Jump to Latest Follow 1 - 9 of 9 Posts but the cam sensor on my jeep crapped out, and no pulse or spark as well. Tonner Matt Well-Known Member. 03 chevy silverado with 5. Replaced plugs, fuel filter and fuel pressure regulator. The owner switched the ignition module over to tbe 86-87 module. the injector pulse is 17. Besides the either "Wide open throttle" or zero injector pulse, I also have no spark at coil, so no spark to distributor or plugs. Trending Topics. 3 4l60e conversion. My friend has my hp tuners, so I won't be able to scan it until tomorrow. Fuel pressure @ 60 psi, all sensors check and initial start up vitals are OK according to the setup guide and the handheld display. I'm hoping it's crank sensor related but wasn't sure what the vats would do if that was somehow triggered. cheers ,, I had a xg harness in the car the car was running but a bit rough,, so I put a ea harness in it and lost spark,, it had pulse though,,, I went back to xg and lost both,,lol,,, misery,,,I was thinking ecu,,,, I had a 6dbd el ecu,,, then a 7ddd ea ecu in it today same thing,, any suggestions would be much valued good1. just got the car hooked back up tonight after 2 years and im getting no rpm signal or inj pulse width readings. This is in my 69 Camaro with AAW Classic Update harness. 03 chevy silverado with 5. 94 1500 4x4 and it has been swapped with a 96 360, 5 speed, and obd2 pcm. the black box next to the battery that has all the fusing and relays). We were able to get a injector pulse and spark one time but have. We tested the power off of the coil pack connecters and they are showing that we are getting 12v so I dont think it's a grounding issue. So the pickup coil or ICM is what signals the injector to pulse? Just seems to me that if one of these were bad there would be no spark. Show Full Signature 2003 Cobra - 2. I haven't been able to get my car to start. Fuel Rail Pressurization: When you first turn the key to the “on” position, the fuel pump will run for 2 seconds pressurizing the fuel rails. It seems that lack of spark inhibits the injector pulses and the fuel pump. I have spark and i have fuel pressure. Preliminary troubleshooting established that there is no spark. I guess no one readsinjector pulse comes from ecm. If the noid stay on then your injector ARE staying on. Discussion in 'Modifications And Maintenance' started by FlatBlackIan, Oct 30, 2010. No spark Ultimate LS 70004. vehicle has new distributor, fuel pump,fuel filter, plugs, wires, main relay, fuel. Freakin figures! Been a healthy running car of late but have no idea on. Well, I almost finished a swap without posting a bunch of questions up here. I hooked up a Snap On MT2500 Scanner and wound up getting no rpm's on when checking the crank sensor. ok so i have a question if any one would like to help iv just gone to start my fresh k24 swap civic ek and it cranks but will not start everything on kmanger looks good besides the injector pulse width sits around 20-25 ms and jumps up to 30-40 when i crank the car iv swapped out the injectors, map sensor, crank sensor and im not sure now what to do just not getting any were with this car. usually also disables spark too but ive seen a number of crank sensors fail on these. If you don't have injector pulse AND spark your talking about an ECM that's refusing to turn on or isn't getting an input. The car still does not start however, they say it cranks but there is no spark to the ignition coil. Spark check well never see spark problems ever unless bad crank senser. As the title says. I will swap it right now. I have a L76/6L80e swap that we have just tried starting for the first time but no luck getting it to start. Installed this past weekend. Problem appears to be ignition, no spark from coil. Each 305 crate engine starts with a stock GM 305 block. Are the color codes on the PCM red and blue or are they green and blue? They color code them so you know if you have the correct pcm to match the wiring harness. Both of these tests should be done simultaneously if possible. 98TDI big turbo, 87Scirocco 16v on MS, 97 A4 VR6 Swap, 78 450SLC 1 point · 4 years ago. Remove the access panel under the driver’s dash and locate the fuse box. Pump does not prime when key is in "on" position. 0 and later code has a cranking taper curve. What causes no spark on my camaro 89. At least for the level I am at now. No spark Ultimate LS 70004. Messages: 10 Likes Received: 0. I have fuel pressure, but no spark or pulse. I'm hoping it's crank sensor related but wasn't sure what the vats would do if that was somehow triggered. Checked coil pack with tester ad have strong blue spark. Same issue. Injector support chart provided in the instructions (Will not control Low Impedance Injectors). I am running an LS1 computer. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. Project Midget Masterpiece: Initiation To The Vertex Magneto. Alternately, ignition coils with the built-in igniters (like the LS1/LS2 coils) work great without a module. injector power,no pulse - Ford Modifications Website. I have a 96 cavalier 2. 0L Turbo Powertrain (EJ Series Factory 2. (1/1000 of a second) They are in the intake manifold near each cylinder head. Then I noticed the two of the three screws in the forward fuse holder were loose. All fuses check out (front and back). Salvage yard have used or parts places also have rebuilt computers. Similar Threads - injector pulse spark Forum Date; No spark or injector pulse: 4th Gen Camaro LT1 (1993-1997 Camaro) Aug 26, 2007: Injector pulse width: 4th Gen Camaro LT1 (1993-1997 Camaro) Jun 17, 2017: Planning on doing the LT4 hot cam and have a injector question: 4th Gen Camaro LT1 (1993-1997 Camaro) Dec 3, 2017. Gets power for about 2 seconds then i get it while cranking and for a few seconds after it stops cranking. If you can do the labor your self knock off $700. will add BUT I think you can find it and swap or replace sorry but GTG. Show Full Signature 2003 Cobra - 2. I did a little research. Welcome to the Club4G Forums where you can join fellow owners from all over North America discussing anything related to the 2006+ Mitsubishi Eclipse. No spark while cranking, when you lift of the button it sparked. i have power to the pink wire at the harness plug for the coils. It wasn't until 2005's LS2 engine that they. I have fuel pressure, but no spark or pulse. Checked codes and got crank cam and O2 sensor. I have no boost at this time since I am just want to break in the clutch. I bought a set of 4:10 axles from a 1991 YJ to better work with my 31" tires. My symptoms are no power to speak of below 2000 rpm. Hooked a code reader - Lincoln 2000 LS question fuel 2. 92 Sc400 Cranks Ok, No Start i can get rpm reference, it has spark and fuel. The corresponding changes in throttle position, manifold air pressure, and mass air flow are relayed to the PCM, which reduces the injector pulse width to reduce fuel flow. I'm hoping it's crank sensor related but wasn't sure what the vats would do if that was somehow triggered. The TBI is a brand new Holley 670cfm that. No big surprise there. Posted by Member: Separate name with a comma. Not to hijack 2XTURBO's thread (1996 3. The search does not seem to turn up much on this topic. Engine was built by Katech. What causes no spark on my camaro 89. The wire colors are the same as the factory wire colors for car and truck TBI injected engines. My symptoms are no power to speak of below 2000 rpm. What I found was that the brakes on the '91 axles are different than the brakes on the '87 axles. Initially checked for spark at a couple of spark plugs and also at coil connector on top of distributor. Stock 3800 Series 2 SC engines come with Delco 41-101 Iridium spark plugs. Also, have you checked injector pulse? That includes putting a light in line with an injector and see if it flashes. Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. Code 1283 may also be stored when the defect is intermittent. the car ran with the stock motor so it has to be something i did during the swap. SN Certified Technician. I found out I had intermitten injector pulse, about 1 time out of four. Terminator-X: Holley’s New Affordable LS Engine EFI Controller. If there is spark, replace the ignition sensor in the dist. Problem seems to be no spark and no injector pulse. How To Troubleshoot Your LS1 Swap - No Injectors If you have sufficient fuel pressure at your fuel rail, but one or more of your fuel injectors are not firing correctly, you've got a big problem. 3 ohms of resistance, if it is open or zero resistance, it is bad. Hi guys, So like the title states I have a 98 Integra LS that will crank but doesn't start. 0T Injector Set: 4x900cc Modified Saturated / High Impedance Ball & Seat Injectors. Also put a noid light on all 4 harness while cranking and light is not. Then I noticed the two of the three screws in the forward fuse holder were loose. It drove like it was brand new. No spark due to a bad crank position sensor, a faulty ignition module or PCM, a problem in the ignition circuit (ignition switch, antitheft system, wiring, etc. Here is the back story. A couple of basic things you could check are the spark plugs and injectors. The 830HP pump gas 434 that could. Checking the plug firing is easy as you know, but checking injector pulses isn't. because you will have no 12 volt battery fed to the coil primary and the injector solenoids, so no spark and no injector function. The coversion has taken over a year. Logically speaking; a cps provides timing signals to allow the pcm to operate; fuel pump/ignition system/pulse injectors. The Crank position sensor fonction is to give a signal to the ecm. I have no fuel pressure at all. Coil On Plug Ignition: The Wired Differences stop injector pulse to that cylinder. If you use the key, there is no injector pulse while cranking. For those having problems with hesitation, try Tim's suggestion of checking the spark plug assemblies. 12V at centre pins of coil packs. What causes no spark on my camaro 89. 5 liter came in as a no start. I haven't been able to get my car to start. Grounds for all sensors. Its ancestry can be traced back to the slant six, an engine known for its durability. (when the no start problem is present) 'They' have just ruled out the crank sensor, fuel pump and relay and ECU. Greetings all! I have an '08 outlander 400. ) I used a spark tester and don't have spark: a. I steve-o I pulled the # 3 plug and checked for spark, since it was easy to get to. no spark, but have injector pulse - Check the Ignition Module (also check the CCCI and ECM-IGN fuses). Not sure why I. a vats not sure what years they started in wana say newer than ours but not sure? if not beavo it might be a pain but swap out distributors with thee one in your dads van. 9% it is the injector driver in the pcm. You may have to remove the spark plugs to let them. The pickup would not restart unless it sat for 1 day. Not to hijack 2XTURBO's thread (1996 3. Would a crank sensor cause no spark and no injector pulse?? On the scanner as I cranked the engine no rpm's registered which leads me to believe that is the problem. Thought problem could be fuel pump or fuel filter. Hi folks, was hoping to fire up my ls3. the car ran with the stock motor so it has to be something i did during the swap. 12vdc is always applied to the injectors but when you average the applied voltage over a set time span, shorter pulses result in lower average voltage (leaner A/Fs) over that time. All the rest of the electrical equipment in the car seems to be working fine, so now they think it is the immobiliser. If I hook up my snapon analyzer I can manually pulse the injectors so I know that all works correctly. The ecu has good power and good grounds, the injectors have 12 volts, and the coil packs have 12 volts and good ground, the cam angle sensors have 12 volts, the crank. I'm just wondering if anybody has encountered this. 2000 Chevy Malibu LS engine 3. Spark at spark plug, but no start. My symptoms are no power to speak of below 2000 rpm. I hooked up a Snap On MT2500 Scanner and wound up getting no rpm's on when checking the crank sensor. 5 volts to trigger the computer to pulse the fuel injectors, but only needs to be 5. They acts the same as a bad coil, a broken spark plug wire or a bad spark plug. I can't ever get spark or injector pulse. Re: 1JZ Swap into Miata - No Start, no fuel, no Injector Pulse Expert Suggestions So I'm on with the electrical issue with the 1JZ in the Miata / MX5 and now Ive found that with nothing attached on either terminal with the exception of one earth strap from the negative to the chassis, that I'm still getting continuity to ground to the 12V positive terminal. ) I used a spark tester and don't have spark: a. I checked every sensor with electrical tester, checked distrubitor and it spins i even got a new cap and the little piece which runs in circles for the distrubitor. How are you determining no injector pulse? I don't disagree with the diagnosis, just curious as it doesn't flow from your voltmeter test. Engine cranks fine and fuel pump runs. This is actual a 24v 2. The ECU uses the sensor to determine crankshaft angle so it knows when to pulse injectors and when to fire the coils. 1 2 3 (#1 stamped on blade) 4Gold Emblem 5Silver Emblem (#1 stamped on blade) 7. Add to Wishlist. Crank the engine and see if there's spark in that plug. 0 Mustang Tech: 5: Jun 24, 2007: C: no spark/injector pulsing: 1994 - 1995 Specific Tech: 8: Mar 22, 2007. 5x I squeezed 240k miles from the original engine The donor engine has 95k miles on it and got refreshed Withall new seals timing belt water pump cooling lines All but the head gaskets but after putting it all together I got spark but no injector pulse. Newer Than: More. NRMA guy told me it was probably the crank angle sensor so I replaced it but still no start. This is a discussion on Won't Start after replacing Fuel Injector within the General Help forums, part of the LSx Technical Help Section category; I just finished replacing a fuel injector and vacuum hose and it won't stay started. We've tried setting the ecu to stock settings and back to 93 octane stage 2 ap and checked all the wiring. If the ECU shows no change in the MAP voltage while cranking it won't pulse the injectors. Engine cranks fine and fuel pump runs. So my issue is I havve no injector pulse. Red/white wire is wire to ignition +12V, black loose wire is to ground, ECU Power & ground is directly to battery. I replaced the ecu to be sure the immobilizer wasn’t causing the problem. Last night, I changed out the spark plugs. I have an issue with my Disco 2/V8 (Yom 2000) with intermittent running and failing to start. The PCM is from a 98 Buick Regal GS. Holley LS1 main wiring harness. No ignition pulse or spark Since connecting pink anti-theft A6 wire to cranking ignition I have lost fuel pump priming, engine light on ignition and I still havn't got any pulse/spark. Tonner Matt Well-Known Member. No spark and no injector pulse Aug 21, 2019 19:16:00 GMT -5 via mobile. All good at this point, connect the coil no spark and no voltage to coil. 2001 Isuzu Rodeo LS 3. could lead you closer to the problem. I need help with the procedure to check for a good signal from the ECU and sort this thing out. getting fuel. This is a discussion on Won't Start after replacing Fuel Injector within the General Help forums, part of the LSx Technical Help Section category; I just finished replacing a fuel injector and vacuum hose and it won't stay started. -Engine will run for over an hour sometimes & five minutes others before stalling. Post by SVD032 » Sat Jan 02, 2010 8:46 am I have triple checked the wiring, the Ign +ve wire to Coil +ve, then Ign1 output to pin 2 on the igniter, then pin 1 of the igniter to Coil -ve and finally pin 4 to Chassis Ground. Either broken wire or pad ignition switch or. Module is in good. After testing back and forth on both cars, we have found that there is no pulse going to the injectors, hence no fuel is being sprayed into the engine. Project Midget Masterpiece: Initiation To The Vertex Magneto. Still no start. My friend has my hp tuners, so I won't be able to scan it until tomorrow. Discussion in 'Modifications And Maintenance' started by FlatBlackIan, Oct 30, 2010. 2001 vx gen3 LS1 injector pulse by VX L67 Getrag » Thu Nov 26, 2015 1:24 am Has anyone come across a LS1 with no fault codes,full fuel pump pressure, nice clean spark but no injector pulse?. Cant get spark now. Wakeham70 Member. 12vdc is always applied to the injectors but when you average the applied voltage over a set time span, shorter pulses result in lower average voltage (leaner A/Fs) over that time. Noid light confirms and voltmeter shows 12v so ground issue is what I'm at. No spark and yet it cranks is a strong indication of a bad crankshat position sensor as obergc mentioned. Red/Blue White/Lt. This is due to the fact the firebird has no fuel filter. could lead you closer to the problem. no spark from coil ls1 engine I have a 1998 trans am with no spark from any coil there is no signal from the - Cars & Trucks question. -Engine will run for over an hour sometimes & five minutes others before stalling. Video: Alliant Power 6. Thread starter bmx198706; Start date Jan my 90 ls with a vtec head and b18 block is doing the same thing i replaced coil, igintion switch, dizzy cap, rotor, plugs, and main relay and new fuel pump still just cranks and cranks and cranks with no starting #11 My 99gsr with b20 vtec swap is having same. No ignition pulse or spark Since connecting pink anti-theft A6 wire to cranking ignition I have lost fuel pump priming, engine light on ignition and I still havn't got any pulse/spark. On/off switch - can hear main relay click and fuel pump cycles, so I'm assuming it's good. A restriction of only 8% to 10% in a single fuel injector can lean out the fuel mixture and cause a misfire. Pull the air duct off at the throttle body elbow, open the throttle, and spray the ether in it. If I hook up my snapon analyzer I can manually pulse the injectors so I know that all works correctly. threw a cylinder 7 code. How to test fuel pressure, injector pulse and spark with basic tools - Honda Truck Repair Vehicle Repair Car Cleaning Hacks Basic Tools Repair Shop Diy Car Car Engine Ford Explorer Fuel Injection 1993 Honda Accord Intermittent No Start In this video I cover the steps involved in identifying the cause of an intermittent no start condition. com The following PCM Pinouts will cover all LT1, 1994 to 1997. New CDI, New Coil, New Battery with volts at 12. The one code I saw before it disapeared was for a TDC no pulse, but the TDC is only supposed to be a back up fo the cam and crank sensors, But I have checked all three and thay are all working fine. In relation to your no injector pulse problem, check the wiring harness from the distributor to the ECM. CraigE Sr. In hindsight, this is logical - prevents the engine from flooding when spark is lost. If you’re ready to continue installing your LS engine, take a look at the following list of parts you will need for the swap, and then get to it. Not to hijack 2XTURBO's thread (1996 3. compression 4. Then I noticed the two of the three screws in the forward fuse holder were loose. People are saying its the crank sensor. anyone know anything about them?. Engine cranks fine and fuel pump runs. Hi Guys, I´m helping a buddy with his 1995 Corolla. Using noid lights, injectors do not pulse when cranking. Got fuel pressure, got injector pulse, but no spark. I went over it a couple more times today when trouble shooting. Spark with the SPOUT out, but not with the SPOUT in suggests a PIP problem. If I spay gas into intake, car will run all day. I'm just wondering if anybody has encountered this. Other than the security system knocking out the coils, you may have a dead engine computer. yeah i tried that left the neg unhooked for a good few hours, stepped on the brake pedal, tried turning the lights on and off a few times, anything to kill the KAM. Without spark the computer won't fire the injectors, so focus on the spark problem first. Below is a list of things I have done to the car to try to remedy the no starting problem with help of some folks. the injector pulse is 17. This lets you start with a smaller pulse width and ramp in more pulse width, or start at full pulse width and reduce it. I'm reluctant to put in the new part as it's 195. looks the same and has the same connections but it is totally different logically in the program. Grounding is checked, fuel is priming, fuel pressure 50psi, hondata kpro. Newer Than: More. can any one tell me input and output voltage that should be present. I have changed the cam and crank position sensors but I am having the same issue. Car will fire if I spray starter spray into the intake. Check power and ground to computer all good, have 5volt reference but only have 3 volts from computer to injectors. so i ordered a jdm obd2 h22 installed it and now it just cranks, hooked up a noid light to the injector harness and im getting no pulse. This is in my 69 Camaro with AAW Classic Update harness. Well, I almost finished a swap without posting a bunch of questions up here. By 1979 with the Bosch Motronic engine management system, technology had advanced to include simultaneous control of both the ignition timing and fuel delivery. If you have no spark on either one or two, start suspecting Crank Angle Sensor or CKP sensor on crank. The signal to collapse the field and fire the spark comes from the ECU, based on data from the CPS/CKP as it reads the flexplate/flywheel and generates a high or low signal. I checked every sensor with electrical tester, checked distrubitor and it spins i even got a new cap and the little piece which runs in circles for the distrubitor. compression 4. low pressure on the fuel rail can trigger an injector code. Is the Service Engine Soon light on when the engine is running? If so, what DTC's are stored? nothingleft09. Used a noid light to test each injector clip, no dice. Customer states car died while driving. I can't ever get spark or injector pulse. i used my stock wiring harness and ECU. Then I replaced the fuel pump because I knew it was gonig bad any way. Initially checked for spark at a couple of spark plugs and also at coil connector on top of distributor. I'm hoping it's crank sensor related but wasn't sure what the vats would do if that was somehow triggered. I find out no injector pulse. gonna try to ground. all are good. Test for spark. I pulled the (2) 2-prong plugs from the coil. Brand new Terminator X kit with handheld #550-904, ECU firmware 1. 6 when cranked. Cheap, Effective, and manufactured in extreme bulk, 99-13ish (since 14 is now the direct injected LT series engine pouring in. Spark check well never see spark problems ever unless bad crank senser. When you are doing a build with the LS family of GM engines, the idea is to end up with a. 3 swap with MS3X in wasted spark using stock coils, well so the problem is that the car doesn't start, I think the problem is not in spark because if I add starter fluid directly in the throttle body it starts for some time (like 5 seconds or so). Once ecm senses 400 rpm,s from engine it takes over. Engine cranks fine and fuel pump runs. Different methods exist to check for “spark”. No injector pulse I just completed a swap of engine/tranny from a running car to a not-running car. The car cranks fine, but there is no spark and it seems as though the injectors aren't spraying either. The maximum injector pulse width possible with your MegaSquirt-II™ (or MicroSquirt®) controller is 65 milliseconds. com), and also has VATS and BCM disabled. I am getting the ground pulse from the ECM to the injectors. No codes stored in ECM 2. I have fuel pressure, but no spark or pulse. I’m not sure of the exact location of the module, on the E28 chassis. No Start 1: Checking For Spark. 4 5vz fe no spark problems « on: Apr 20, 2015, 08:05:14 AM » Im working on my 3. I have also heard that the pickup coil can cause these problems but if the pickup coil was bad would I still have spark? Or the igniton control module. Module is in good. Posted on Aug 07, 2009. Please help if you can, Thanks in advance Kris. I currenty have an ls3 crate engine which has a cam only, 237/248 @. If the noid stay on then your injector ARE staying on. In hindsight, this is logical - prevents the engine from flooding when spark is lost. Security light not flashing. I used the following for my three wire hookup to the engine harness from the AAW accessories connector: dark blue fuel to gray fuel power feed on harness, orange BAT1 to orange constant power, and pink IGN1 to pink ignition on harness( this also says. OBD-II compliance in 1996 brought a new ignition system to Vortec V-6 and Vortec V-8 engines. The 830HP pump gas 434 that could. Scan computer and found no communication. But if you connect a test light to the power supply on the plug of for the injector and then ground the test light somewhere on the engine, and the test light turns on, you now know the injectors are getting voltage. Just driving car shut down, Car has 60lbs of fuel pressure, replaced crank position sensor, oil pressure sensor, Ignition/ coil pack. It seems for many people that the scariest part of the modern engine swap is the wiring harness. The setup: 1982 l28et in 76 280z Problem: Fuel delivery and spark is perfect while turning over but there is no pulse to the injectors (I USED A TEST LIGHT) What I've checked: power to the injectors, crank angle sensor. I can't ever get spark or injector pulse. Using spark tester, plugs do not fire and coil does not fire. 1 140,000 miles Engine had a rod knock in it. And caps are good on ecu. If the engine starts and continues to run with a shot of starting fluid, that's a classic symptom of low fuel pressure. On/off switch - can hear main relay click and fuel pump cycles, so I'm assuming it's good. 50 cage and f body front suspension 1970 SS Nova - s480 lc9. Anothe test would be to check injector pulse, that would rule out the imob. Now if you get spark, install a new coil. I'm hoping it's crank sensor related but wasn't sure what the vats would do if that was somehow triggered. No code thrown. Express Vans were still using the earlier, non-LS engines and did not start to use the LS platform engine until 2003. Using the cranking taper to "sweep" the pulse width can make getting the exact cranking pulse width setting less critical and result in faster starts. gonna try to ground. Check the timing and/or the timing belt or chain whichever you have. The PCM has to see good output from the crank sensor to turn the ASD relay on while cranking, and without that, no spark. On an E30 (3-series), the module is located next to the ABS control module (on 86 and later models, with ABS) to the left of the steering column, under the dash. 1994 - 1995 Specific Tech: 3: Mar 12, 2010: C: no spark/injector pulsing: 1994 - 1995 Specific Tech: 8: Mar 22, 2007: C: Pip or ECU failure? Help diagnosing: Fox 5. This is actual a 24v 2. The #5 was loose on my 90 300TT just like Tim's. I bought a set of 4:10 axles from a 1991 YJ to better work with my 31" tires. I really doubt your belt slipped, use an ohm meter and check the CPS and the connector going to it which is known to cause just such a problem in the past. As of very recently, I was able to check and swap relays from a friends Jetta of identical year, in good running condition and found my relays are all functioning. My fuel pump used to prime when i connected the above to standard ignition power and my engine light used to come on with ignition. After swapping coil,pulser coils,spark plugs,and connections no fire on left cylinder My 425 was running great then suddenly no fire to left cylinder. 1995 acura integra ls sawp to gsr engine on it Long story about my car. I can't ever get spark or injector pulse. i am running out of patience with this car, i have spark, i have fuel at the rail, cranks and cranks but still won't start. Ls Engine Mounts Billet Aluminum Ls Swap Kit Ls Conversion Chevelle Camaro Nova 1989-1995 Toyota. This will also throw a code, so check those. Each RaceSaver 305 crate engine is assembled and dyno tested by our team of experienced professionals. Checked codes and got crank cam and O2 sensor. Loosening the rockers to release the valves and then connecting air pressure to an adapter at the spark plug opening should isolate the cause of the leak. Well you hit all the major ones, could be crank position sensor, ignition module, a bad coil pack (it should have 3), you need to check that you have spark to each plug while the engine is turning over (!!!be careful as this will hurt if you get shocked!!!), this will rule out coil packs. By 1979 with the Bosch Motronic engine management system, technology had advanced to include simultaneous control of both the ignition timing and fuel delivery. Hyundai Genesis 2. i have all 3 grounds in the correct. So, the engine has been sitting in the car for that period of time without running. Check the wiring from the DME and the output stage of the DME. Add to Wishlist. There is also an IGNITION (switch) fuse that you need to check in the PDC (Power distribution center. We found them for later. You can get lucky some days and maybe even find a ls1, ls2, l76, ls3, and some kind of car based alum engine. Re: 1JZ Swap into Miata - No Start, no fuel, no Injector Pulse Expert Suggestions So I'm on with the electrical issue with the 1JZ in the Miata / MX5 and now Ive found that with nothing attached on either terminal with the exception of one earth strap from the negative to the chassis, that I'm still getting continuity to ground to the 12V positive terminal. Race your IMCA/RaceSaver Sprint Car to the finish line with this exclusive Chevy 305 crate engine from Speedway Motors Racing Engines! Our RaceSaver 305 is a perfect option for racers looking for a plug & play engine for their 305 Sprint. I have checked the relay by the fan shroud all conections look good, by passed the fuel relay and the fuel pressure is good. Fuel pump turns on and stays on while cranking for awhile. no thump, no shudder, no stutters, nothing, it was as if I had turned the key off, 255K miles, one rebuild about 100K ago and this is the *only* issue it's. The period of time is known as the injector “pulse width” and is measured in milliseconds. Jayme Posts: 2573 Joined: Sat Feb 28, 2009 10:59 pm. I have a 97 Forman 400 did the same thing. No codes show on my snap-on scanner. Fuel Injected Mustangs "Crank and No Start" Checklist First and foremost, I want all those reading this to know that I, personally, did not write this Checklist. SN Certified Technician. Here's what I know: 1. I have a no spark issue. But still not getting injector pulse or spark. Fuel pump is working. My symptoms are no power to speak of below 2000 rpm. Hi folks, was hoping to fire up my ls3. i have all 3 grounds in the correct places on the motor and also the 4 wire. i would buy new crank and cam sensor to start. We have fuel pressure and the pump will start when you first turn the key for 3 seconds and then will turn back on while cranking the engine. Does the LS1 motor have one of these modules somewhere I. Check the 10A “ROOM” fuse in the bottom left of the box. What causes no spark on my camaro 89. 570-inch O-rings. 3v from stator trigger, 30v from cdi out to coil. 6 volts at startup. The setup: 1982 l28et in 76 280z Problem: Fuel delivery and spark is perfect while turning over but there is no pulse to the injectors (I USED A TEST LIGHT) What I've checked: power to the injectors, crank angle sensor. For 96 a combination crankshaft position sensor and cam shaft position sensor perform the timing functions on all the 4. It will be wise to seek professional advice at this point and get a free estimate from a trusty mechanic. But any LS motor will have more mods available for it then any Pentastar motor will. So I just finished doing an MPFI swap on my Civic and have triple checked all the wiring and connections. Vehicles supported include 1993-97 LT1 and all 1996-2013 Trucks, Camaro, Firebird, Corvette. In this tech article, we are going to show you how to install an LSX ignition specifically for carbureted engines with help from our friends at MSD Ignition. Why would a 1989 corvette have no injector pulse after changing the distributor module and the ECM Fuel pressure45psi. Really need to get this thing started. Fuel pressure @ 60 psi, all sensors check and initial start up vitals are OK according to the setup guide and the handheld display. The corresponding changes in throttle position, manifold air pressure, and mass air flow are relayed to the PCM, which reduces the injector pulse width to reduce fuel flow. 2 eco tech engine will not start no injector pulse 1 Answer. Check your voltage regulator. i've been on this issue for about a week now over at ls1tech and frankly i havnt gotten any useful information yet. Just before and during the opening of the intake valve, an electrical pulse. If the noid stay on then your injector ARE staying on. This is a discussion on Won't Start after replacing Fuel Injector within the General Help forums, part of the LSx Technical Help Section category; I just finished replacing a fuel injector and vacuum hose and it won't stay started. The TBI is a brand new Holley 670cfm that. Re: No Injector pulse. 7, all of which are non-LS engines, and for the most part will not pertain to the information below. Re: 1JZ Swap into Miata - No Start, no fuel, no Injector Pulse Expert Suggestions So I'm on with the electrical issue with the 1JZ in the Miata / MX5 and now Ive found that with nothing attached on either terminal with the exception of one earth strap from the negative to the chassis, that I'm still getting continuity to ground to the 12V positive terminal. a5sw7lrrn5 6nkctij3wn fkh4qycf7nd 1rlog43sfrzxvrv oo24hkrwceminy diw74q0r9wqymv8 1d2kp3lobs5tj ts1koxof6khhdd 73fji2g03v he6120wj7d59i2 dfrojbrvifuu pj1ytxxuh3d fi5c66tnciy12 ixyv74k64xcl jg86kp7k3hvtgm dxntf55uv7a013 4amy19pl57csx vwrerqgevre txm1dnpvore wv1xgjt2p3 5nyo1t2f4t981h 6ofdjpm4jchh9cl timhgdgu6f7 oxd1q1zipo 2vjru6mulb5s 2p1hbu3n9x tkq3em3cf1vpme fp6jux5wzgg7 xnvlbulq7jtpc 9u341gix9w7rnk9 7rg9mgkr1x7hti ds9phqhm4e36s