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Thread: need help with 2009 commodore auto stalling when slowing down to a stop

  1. #1
    Tuner in Training
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    Jan 2011
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    need help with 2009 commodore auto stalling when slowing down to a stop

    I have a issue with this commodore, its auto transmission and when you are slowing down to come to a stop the rpm goes down under 950 rpm (where idle it set) and then sometimes it catches it and it goes back to idle and sometimes the engine stalls and it stops.

    The car has a big cam, it made 390hp at the wheels.

    here is the hpt file. can anyone help ? its also a bit hard to start.

    any help would be appreciated.

    cheers
    Every time i use HP tuners I learn something new! can it get any better then this?

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  2. #2
    Tuner in Training
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    did i post this in the wrong place? or no one wants to help?
    Every time i use HP tuners I learn something new! can it get any better then this?

    It ain't a skyline, but it will do!

  3. #3
    Senior Tuner DSteck's Avatar
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    Search around for Final Idle Airflow Minimum. That's what you need to play with.

    DSX Tuning - Authorized HP Tuners Dealer
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    IF YOU WANT HELP, POST A FILE!

  4. #4
    Tuner in Training
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    Thank you very much DSteck!! Champion! much better now.
    Every time i use HP tuners I learn something new! can it get any better then this?

    It ain't a skyline, but it will do!

  5. #5
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
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    For tuning related questions your best would be the forum in question ie if its a gen 4 engine related question the gen 4 engine section would be best. The help section is mainly for questions about our software, installation, drivers, I got so and so error what do I do, not for questions on how to tune xx vehicle.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"