Thread: Po108

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  1. #1 Po108 
    SE Level Member davidl25's Avatar
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    I had this code pop up. It was the MAP sensor. I changed it still same code keeps poping up. When its warm it starts chugging and popping in the intake. What could this be. It only does it when warm.
    99 GP (SE) GT Clone, KYB AGX struts + SSC springs, GMPP sway bars, GMPP trailing arms, OTTO strut tower brace,Big 3 mod, Stage 2 voltage booster, alt rewire, 180 t stat, HID conversion, D/S rotos and ceramic pads,cold air intake, and an insane car audio setup 150+ db.
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  2. #2 Re: Po108 
    GTX Level Member imdaman3's Avatar
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    chugging and poppin in intake is fuel= fuelpump.. do you have the spring and o rings in the pcv valve under neath the map if not that will cause code to set
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  3. #3 Re: Po108 
    SE Level Member davidl25's Avatar
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    what should my fuel pressure be. Im running #24 injectors and a tuned pcm
    99 GP (SE) GT Clone, KYB AGX struts + SSC springs, GMPP sway bars, GMPP trailing arms, OTTO strut tower brace,Big 3 mod, Stage 2 voltage booster, alt rewire, 180 t stat, HID conversion, D/S rotos and ceramic pads,cold air intake, and an insane car audio setup 150+ db.
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  4. #4 Re: Po108 
    The Blue One blueguy's Avatar
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    Is the PCM tuned for the injectors? I thought GT's were just #22lb injectors?

    If not then you've got too much fuel...taken from HPT's website.

    What's the injector size & flow rate for stock L36 injectors - HP Tuners Bulletin Board
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  5. #5 Re: Po108 
    SE Level Member davidl25's Avatar
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    yes the pcm is tuned for the #24 injectors. I put the bigger injectors in about a year age. This problem just started.
    99 GP (SE) GT Clone, KYB AGX struts + SSC springs, GMPP sway bars, GMPP trailing arms, OTTO strut tower brace,Big 3 mod, Stage 2 voltage booster, alt rewire, 180 t stat, HID conversion, D/S rotos and ceramic pads,cold air intake, and an insane car audio setup 150+ db.
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  6. #6 Re: Po108 
    GTX Level Member imdaman3's Avatar
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    50-60 psi fuel pressure
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  7. #7 Re: Po108 
    SE Level Member davidl25's Avatar
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    thanks man
    99 GP (SE) GT Clone, KYB AGX struts + SSC springs, GMPP sway bars, GMPP trailing arms, OTTO strut tower brace,Big 3 mod, Stage 2 voltage booster, alt rewire, 180 t stat, HID conversion, D/S rotos and ceramic pads,cold air intake, and an insane car audio setup 150+ db.
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