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R32 GTR wants to stall out

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  • dak24
    started a topic R32 GTR wants to stall out

    R32 GTR wants to stall out

    Hi Everyone, I have a R32 GTR and I'm having problems with the engine wanting to stall out when I push the clutch in to let the rpms drop while driving. If my rpm is over 3000 and I push the clutch in and let the rpms drop, it drops to the point where the engine almost stalls out. I noticed this the other day when I had to stop quickly. The engine is completely stock with the exception of new intake filters, and a custom exhaust. I cleaned the mass airflow sensors and it's still doing the same thing. If anyone knows what my problem could possibly be let me know. Your help would be greatly appreciated.

    Thanks

  • Killuav
    replied
    Sorry to revive this thread, but anyone has a solution? I have the same problem too

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  • dak24
    replied
    I cleaned my AAC Valve and I'm still having the issue, anyone have any other ideas of what it could be? I haven't been able to find any vac leaks.

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  • Frankyy
    replied
    I have the same issue, still trying to find the problem after a couple months, all vacs and intake leaks are checked and no leaks, I have the TPS on closed throttle left to check

    I am curious to see what your problem is because it is doing the exact same for me

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  • Voodoo_ChildR32
    replied
    That's the signal voltage, try a different wire.


    Sent from my iPhone using Tapatalk

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  • dak24
    replied
    I checked the voltage and it's reading 5.48 not .48

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  • Skym
    replied
    Engine idle rpm is higher when cold and o2 sensor is ignored up until certain coolant temp is reached.

    Small intake airleak (check intake hose clamps, as might have undone due to vibration) or TPS. Dirty AACV is another.

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  • dak24
    replied
    It doesn't do it when the engine is cold either only once it warms up

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  • dak24
    replied
    it idles at 1000 rpm, its just when I'm driving and if I put the clutch in to let the rpms drop like if i have to stop all of a sudden. it drops to where it practically stalls out then it catches itself and goes back up to 1000rpm.

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  • RixR32
    replied
    This ^^^
    Check the TPS voltage at idle, or key on/engine off. Should be .48, off the center wire i believe.

    Check for vacuum leaks also!!!!

    How/where does it idle once it catches itself?

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  • Skym
    replied
    Check that TPS is on idle contact at idle. When TPS is on idle contact, one of the things ECU should do is kick rpm up to prevent engine from stalling. Sometimes TPS is faulty (bent idle, WOT contact's, incorrect voltage, etc) and needs to be replaced.

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  • bellis_GTR
    replied
    AAC? Not enough vacuum coming down to idle?
    Last edited by bellis_GTR; 06-17-2012, 06:59 PM.

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  • Voodoo_ChildR32
    replied
    Fuel pump not keeping up perhaps, have you changed the fuel filter?


    Sent from my iPhone using Tapatalk

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  • dak24
    replied
    All the lines appear to be connected, and its has the stock bov

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  • Oakville
    replied
    Aftermarket BOV? Venting to atmosphere?

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