Thread: Engine runs fine till temp starts to rise...

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  1. #1 Engine runs fine till temp starts to rise... 
    SE Level Member 97gpGTP's Avatar
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    he other day I was driving around and my car suddenly stalled out. I parked the car and got a ride home and searching around I thought it might have been the fuel pump resistor. So later on that night I went back to the car and jumped the relay which it started up and ran great at idle but as soon as I went to go put it in drive and hit the accelerator it stalled out. I eventually got the car home where I've been looking at a few things as to what it might be like double checking the resistor, the relays for the fuel pump speed control, I've checked the TPS, IAC, FPR, and surveyed the engine bay for vacuum leaks and checked all vacuum routing by spraying brake cleaner and I've come across nothing. The only thing that I've come up with is that the engine runs great at a complete cold start up, but as soon as the temp gauge starts to clime, it's automatic that the engine start miss firing and delivering too much fuel. Please help!

    BTW...I did an L32 swap about 2 weeks ago...not sure if that's too relevant..

    GenV | 3.2 MPS | XP Cam | SpeedDaddy Headers | LS6 Springs | N* TB | JMB FWI | ZZP Shift Kit | ZZP Poly Bushings | GMPP front sway bar| Eibach springs
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  2. #2 Re: Engine runs fine till temp starts to rise... 
    donated to get this wow TorqueAutoMotiv's Avatar
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    any codes

    98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels
    http://www.cardomain.com/ride/3338681
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  3. #3 Re: Engine runs fine till temp starts to rise... 
    SE Level Member 97gpGTP's Avatar
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    Only code I'm getting is for random cyl misfire...

    GenV | 3.2 MPS | XP Cam | SpeedDaddy Headers | LS6 Springs | N* TB | JMB FWI | ZZP Shift Kit | ZZP Poly Bushings | GMPP front sway bar| Eibach springs
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  4. #4 Re: Engine runs fine till temp starts to rise... 
    donated to get this wow TorqueAutoMotiv's Avatar
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    clogged cat maybe um issue with the coils or icm maybe

    98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels
    http://www.cardomain.com/ride/3338681
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  5. #5 Re: Engine runs fine till temp starts to rise... 
    SE Level Member 97gpGTP's Avatar
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    There is no cat...

    GenV | 3.2 MPS | XP Cam | SpeedDaddy Headers | LS6 Springs | N* TB | JMB FWI | ZZP Shift Kit | ZZP Poly Bushings | GMPP front sway bar| Eibach springs
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  6. #6 Re: Engine runs fine till temp starts to rise... 
    donated to get this wow TorqueAutoMotiv's Avatar
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    hmm i dunno then hard for me to diag an issue with out seeing it

    98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels
    http://www.cardomain.com/ride/3338681
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  7. #7 Re: Engine runs fine till temp starts to rise... 
    DUI BABY Bio248's Avatar
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    disconnect the MAF and see how it runs. if it runs better then your MAF is bad.
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  8. #8 Re: Engine runs fine till temp starts to rise... 
    SE Level Member 97gpGTP's Avatar
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    I've already tried that...it runs the same.

    GenV | 3.2 MPS | XP Cam | SpeedDaddy Headers | LS6 Springs | N* TB | JMB FWI | ZZP Shift Kit | ZZP Poly Bushings | GMPP front sway bar| Eibach springs
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  9. #9 Re: Engine runs fine till temp starts to rise... 
    DUI BABY Bio248's Avatar
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    what kinda fuel pressure are you running? what is it doing when it stalls?

    scan that bish.
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  10. #10 Re: Engine runs fine till temp starts to rise... 
    SE Level Member 97gpGTP's Avatar
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    I just tested the coils and icm at az this morning and the icm failed...

    GenV | 3.2 MPS | XP Cam | SpeedDaddy Headers | LS6 Springs | N* TB | JMB FWI | ZZP Shift Kit | ZZP Poly Bushings | GMPP front sway bar| Eibach springs
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