Thread: have spark and fuel pressure. no start

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  1. #21 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    Nope. I had one for the map and maf but I fixed both of them
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  2. #22 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    well i dont have injector pulse! now i have to figure out what gives it a beat. ive had the icm tested and it passed. so i just bought a crankshaft pos sensor. thats all i can think of. but the wierd thing is that i have spark.?
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  3. #23 Re: have spark and fuel pressure. no start 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    i think crank is spark and cam is fuel, for what they control.

    SMGPFC Member #1
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  4. #24 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    camshaft sensor replaced..... no start
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  5. #25 Re: have spark and fuel pressure. no start 
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    What year is this car?
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  6. #26 Re: have spark and fuel pressure. no start 
    Turbo is the way to go. BillBoost37's Avatar
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    With ignition on, check for power at the injector plug.

    The pcm supplies ground. First at key on, it primes the pump and cylinders which gives you a momentary injector pulse, turns the injectors off until the motor is running.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  7. #27 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    It's a 2000 gtp. I have power at the injector plug. Just not pulse. I replaced the cam sensor. And i scanned it and got a engine speed reading. So the crank sensor works?
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  8. #28 Re: have spark and fuel pressure. no start 
    SE Level Member jaked1985's Avatar
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    Bad pcm?
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  9. #29 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    I don't think so. I put the stock pcm on and no change
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  10. #30 Re: have spark and fuel pressure. no start 
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    No codes?

    Slowly go through your exhaust repair in your head, while looking at the individual items as you remember them. It sounds like something not assembled correctly. Check your grounds, did you leave a nut/bolt loose? Theres one on a stud at the transmission, theres one under the icm. Is there a plug not plugged in all the way and you disturbed it while working on the car? etc? Sometimes a person can cause problems that just won't ever happen under normal circumstances and these problems can throw normal trouble shooting procedures out the window. Think outside the box now, take your time and recreate every step of the work you performed.
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  11. #31 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    Alright. Thanks. No codes. I'm confused cause all I took off was the throttle body plug wires and dogbones. But ill take another look.
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  12. #32 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    Well I replaced the crank sensor and no start. Does anyone know how I could test the wiring system to find out why I have no pulse?
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  13. #33 Re: have spark and fuel pressure. no start 
    GTP Level Member OrangeL67's Avatar
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    Did anyone ever figure this issue out?, bc I am about to be looking into almost the same exact situation.

    VS cam build 13.01@107 316whp/ XP build #1 12.78@110 334whp/ XP build #2 12.56@113 347whp
    IS3 Cam build (Ready to put out some serious numbers)
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  14. #34 Re: have spark and fuel pressure. no start 
    GT Level Member Erik Adam Rodriguez's Avatar
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    get a noid tester and plug it into one injector connecter. try to start car if the tester blinks you have pulse if it stays lit you have a wiring or circuit issue
    02 grand prix gt- L67 swap, ZZP 1.0 pcm, thrasher CAI, SLP 2.5 catback, A/C delete, 02 emulator, poly dog bone mounts, 6000k projectors with CCFL halos, 12 in slotted front rotors, ported blower and intake, evap and EGR deleted, 12" kicker cvr with 1000 watt amp, alpine cda 9886 deck
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  15. #35 Re: have spark and fuel pressure. no start 
    GT Level Member torq455's Avatar
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    Could it have something to do with the anti-theft system?
    2002 GTP: K&N, 3.2 pulley, flipped mounts. ZZP SS headers, 180 stat, NGK TR6's, MSD wires, Reptile ported TB, ported S/C, ported LIM, Intense Stage II heads with larger Manley severe duty SS valves, Yella Terra 1.9 full roller rockers, LS6 springs, Racetronix fuel pump re-wire, Oil pressure "kit", JMB FWI. Mustang dynoed at 240 WHP, 272 WTQ.
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  16. #36 Re: have spark and fuel pressure. no start 
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    There is a chance the fuel pump is going bad, but taking it's sweet time to do it. I've had (and seen) cars that won't start, and then can't reproduce the problem for weeks at the time where you could hear the fuel pump kick on, but the car would die shortly after. And also cars where the fuel pump would crank the engine, but not pump fuel after it started.
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  17. #37 Re: have spark and fuel pressure. no start 
    GT Level Member m17davis's Avatar
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    this was an extremely easy fix that took about 2 mintues. one of the wires go to a sensor on the tb was cut some how. I couldn't believe it when I saw it
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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