Thread: Gtp turns off here and there!!

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  1. #1 Gtp turns off here and there!! 
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    NEW GUY HERE WITH A QUESTION!! I have a 00 gtp with 110k it runs great havent had any issues until recently.. i can drive my car fine all day but then will shut off out of nowhere. it turns right back on and drives fine but will do it again a few hours later.. and info will help
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  2. #2 Re: Gtp turns off here and there!! 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Im gunna guess CPS sensor is bad.

    Have you ever noticed if the RPMS drop to zero right before it dies?

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  3. #3 Re: Gtp turns off here and there!! 
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    no i never noticed that!! but i did notice that the boost doest always work not sure if its suppose to always move it only does ocasionally.. i onlyh ad the car for about 2 months so im still tryna figure it out
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  4. #4 Re: Gtp turns off here and there!! 
    GTX Level Member tayl5645's Avatar
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    Would a big enough Vac Leak casue a stall? Although I did have a CPS go bad in my Bonnie but I would also notice after a stall it wouldnt crank over al the time, it sometimes needed to sit for a while.
    2005 GTP Grey

    Custom built Open cone intake, 15% tints all the way around, 7" touchscreen DVD player
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  5. #5 Re: Gtp turns off here and there!! 
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    how hard is it to change the cps? cps is crank position sensor right?
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  6. #6 Re: Gtp turns off here and there!! 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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  7. #7 Re: Gtp turns off here and there!! 
    GTP Level Member KeithGTP03's Avatar
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    I had my CPS go out on my other GP...I took it in. They said they had some trouble pulling the harmonic balancer and had to modify their puller. Im glad I didnt try and do it. But the tell tale sign I had was the Tach. I knew once it dropped to zero while driving, it was about to shut down.

    03 GTP...Its got pulleys and stuff.
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  8. #8 Re: Gtp turns off here and there!! 
    resident snitch gtpinsc's Avatar
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    look under ur supercharger snout... theres a rubber T fitting vac line that goes on the intake manifold. that could be ur culprit.. they dry rot and come all the way off creating a huge vac leak that can make u stall from time to time.

    02 GTP with mods 05 GP for DD
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  9. #9 Re: Gtp turns off here and there!! 
    I live here. SlowNA06's Avatar
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    ^ This. That vacuum line is what tells your computer what kind of boost the engine's seeing.
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  10. #10 Re: Gtp turns off here and there!! 
    GPFs Sexy Ginger. SilvaMan61's Avatar
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    it may not be a vacuum leak, hes only had the car for a couple months, hes probably not used to the s/c. the dic boost gauge-ish thing doesnt really show boost untill ~3k rpm.

    granted a vac leak will cause it to sltall out, and its an easy place to start, so id still say check.
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