Thread: car started then dies

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  1. #1 car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    ok i need some help my car just died on me when i was driving and now it idles for about 10sec and then dies again. no check engine light or anything. i have no clue where to even start to look so any help would be really great.
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  2. #2 Re: car started then dies 
    GrandPrix Junkie CTKGP09's Avatar
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    i would say MAF sensor or CPS...try unplugging the mass air flow sensor and see if the car still dies.
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  3. #3 Re: car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    i tried unplugging the maf whats the cps?
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  4. #4 Re: car started then dies 
    GrandPrix Junkie CTKGP09's Avatar
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    crank position sensor, which i believe is slowly going out on my car as well. it will stall at traffic lights with no warning or dummy lights randomly. but its done it 3 times and hasnt done it since (knock on wood)
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  5. #5 Re: car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    where is it at like what side
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  6. #6 Re: car started then dies 
    resident snitch gtpinsc's Avatar
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    check fuel pressure, whens the last time fuel filter has been changed?

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  7. #7 Re: car started then dies 
    resident snitch gtpinsc's Avatar
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    Quote Originally Posted by grand2000prixgtp View Post
    where is it at like what side
    its a ***** to get to, theres a writeup in the how to section on it. id check easier fixes first...

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  8. #8 Re: car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    it was changed about a year or so ago and it has pressure i think cause i can rev it up and stuff
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  9. #9 Re: car started then dies 
    resident snitch gtpinsc's Avatar
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    rpms drop to zero while driving at all?

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  10. #10 Re: car started then dies 
    GrandPrix Junkie CTKGP09's Avatar
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    its behind the harmonic balancer, not the easiest to get to... heres the cps writeup

    http://www.grandprixforums.net/cps.php
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  11. #11 Re: car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    i cant even drive it i can start it and rev it but if i try and let it idle it dies and when i am reving it it dies sometimes
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  12. #12 Re: car started then dies 
    resident snitch gtpinsc's Avatar
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    go check the T boot vac connection under snout of supercharger....its on the intake manifold.

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  13. #13 Re: car started then dies 
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    That just happened to me and it was the Fuel Pump....Does it sputter or cut out when you rev it above 2500??
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  14. #14 Re: car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    ok ill have to look at the vac lines. no it does not sputter above that i had to replace the fuel pump like a year ago
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  15. #15 Re: car started then dies 
    resident snitch gtpinsc's Avatar
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    how many times have u tried cranking it? does it actually stay running for 10 seconds at a time each time u start it? swap fuel pump relay around too.... i forget which one it is under fuse box but they are labeled on fuse box cover, theres one or two relays that are the same as the fuel pump relay .

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  16. #16 Re: car started then dies 
    GrandPrix Junkie CTKGP09's Avatar
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    or bypass the fuel pump resistor and see if that helps
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  17. #17 Re: car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    well i put different relays in it and it still does the same thing. and it only runs for 5sec if u just try and let it idle but if i rev it up and can keep it running for longer
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  18. #18 Re: car started then dies 
    resident snitch gtpinsc's Avatar
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    id replace fuel filter even though it was done last year, did u check vac lines?

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  19. #19 Re: car started then dies 
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    Hey, I just went through the exact same thing. Its an easy fix and free. Pull out the pass side headlight assy, behind it on the fenderwell is a plug. Its your fuel pump resistor. Unplug it and put a paper clip or wire into the female end, and loop it into the other side of that same plug. It should start and stay running. Its a temp fix but you'll be able to drive. Get a new resistor
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  20. #20 Re: car started then dies 
    GT Level Member grand2000prixgtp's Avatar
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    where do i get a new resistor at
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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