Thread: 98 gtp 3.8L sc...stalled wont start...

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  1. #1 98 gtp 3.8L sc...stalled wont start... 
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    i was on my way home tonight going up a hill and my gtp stalled, no sputtering no loud bangs, just stalled. attempted to start it back up a few times and got nothing. all fuses seem to be good, fuel pump is turning on engine is turning over. any ideas on what it could be? please let me know as this is my only car and well i needs to get to work! any help would be very much appriciated!
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  2. #2 Re: 98 gtp 3.8L sc...stalled wont start... 
    I GIVES MONIEZ JoshsGTP's Avatar
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    Did the tach ever drop to 0 And the car stayed running? If so I say CPS Here:

    http://www.grandprixforums.net/cps.php
    Red GTP coupe, Intake, Poly Dogbones. 8K HID's, Headers, DIY HUD, Aeroforce Scan Gauge,Kenwood Excelon KDC-X794, MSR 045 18" rims, Borla Cat-Back.

    I disprove of peoples actions, and want to mega man punch them in the testicals.
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  3. #3 Re: 98 gtp 3.8L sc...stalled wont start... 
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    i will have to check on that tomarrow and let you know.
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  4. #4 Re: 98 gtp 3.8L sc...stalled wont start... 
    Moderator dsmuts's Avatar
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    Check your fuel pressure at the rail. Your pump could still be running but be weak.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  5. #5 Re: 98 gtp 3.8L sc...stalled wont start... 
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    Quote Originally Posted by dsmuts View Post
    Check your fuel pressure at the rail. Your pump could still be running but be weak.
    how do i check the pressure at the rail? and so everyone knows i went out there this morning and the car started right up, im affraid to drive it and get stuck again . any other ideas besides cps or fuel rail pressure that may have caused this headache?
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  6. #6 Re: 98 gtp 3.8L sc...stalled wont start... 
    Moderator dsmuts's Avatar
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    It does sound like a fuel pump if it starts every now and again. There is a schrader valve on the front of the rail that you hook a pressure gauge to and it'll tell you the pressure.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  7. #7 Re: 98 gtp 3.8L sc...stalled wont start... 
    Turbo is the way to go. BillBoost37's Avatar
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    Does it fire up and stall each time you turn the key off, then back to on/start? Or does it not try to start at all?

    First thought would be
    Fuel pump resistor
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  8. #8 Re: 98 gtp 3.8L sc...stalled wont start... 
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    Quote Originally Posted by BillBoost37 View Post
    Does it fire up and stall each time you turn the key off, then back to on/start? Or does it not try to start at all?

    First thought would be
    Fuel pump resistor

    when it stalled it just stalled and then wouldnt start again. the next morning when i woke up it started right up and i drove it all day and it had no issues, no sputtering no stalling. i am completely lost as to what the issue may be. i mean as long as it doesnt happen again then im not gonna worry too much about it. i did however buy a crank position sensor that i am going to put on some time this week just to be safe.
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  9. #9 Re: 98 gtp 3.8L sc...stalled wont start... 
    Moderator dsmuts's Avatar
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    That happened to a car i was working on for a while and it ended up being the fuel pump. It would run fine for a day or so then not start. Then it would start up a day or so later.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  10. #10 Re: 98 gtp 3.8L sc...stalled wont start... 
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    hmmm maybe ill take her back to the dealership and tell them what happend and say that i want the pump replaced completely or something.
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  11. #11 Re: 98 gtp 3.8L sc...stalled wont start... 
    Turbo is the way to go. BillBoost37's Avatar
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    From rereading.. it sounds very crank sensorish.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  12. #12 Re: 98 gtp 3.8L sc...stalled wont start... 
    I GIVES MONIEZ JoshsGTP's Avatar
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    Do the cps!!!!
    Red GTP coupe, Intake, Poly Dogbones. 8K HID's, Headers, DIY HUD, Aeroforce Scan Gauge,Kenwood Excelon KDC-X794, MSR 045 18" rims, Borla Cat-Back.

    I disprove of peoples actions, and want to mega man punch them in the testicals.
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  13. #13 Re: 98 gtp 3.8L sc...stalled wont start... 
    Turbo is the way to go. BillBoost37's Avatar
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    Heck..if you limp it up to me on Saturday...I'll do it.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  14. #14 Re: 98 gtp 3.8L sc...stalled wont start... 
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    Quote Originally Posted by BillBoost37 View Post
    Heck..if you limp it up to me on Saturday...I'll do it.
    Where abouts in enfield? Shoot me a pm im off on saturday.
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  15. #15 Re: 98 gtp 3.8L sc...stalled wont start... 
    Turbo is the way to go. BillBoost37's Avatar
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    pm shot
    I drink..so consider that when reading my posts.

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