Thread: Intermittent start/ low idle,shut off

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  1. #1 Intermittent start/ low idle,shut off 
    GTP Level Member dmahlikGT's Avatar
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    Ive been having this problem from time to time but it seems to happen more often now. Sometimes when i start my car it immedietly idles high but then it falls real low almost to 0 rpm then it idles normal.But at times including once today I started it and it then it shutoff.The second start was fine. I dont know what is causin this it seems to happen after it sits for a while but my thought may be fuel or possible another vacuum leak.Any thoughts?
    04 GTP-3.6 pulley, custom tuned, Intake, headers,thrush exhaust, al104 plugs, 180* stat, shift kit, flipped mounts

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  2. #2 Re: Intermittent start/ low idle,shut off 
    GTP Level Member dmahlikGT's Avatar
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    No help?
    04 GTP-3.6 pulley, custom tuned, Intake, headers,thrush exhaust, al104 plugs, 180* stat, shift kit, flipped mounts

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  3. #3 Re: Intermittent start/ low idle,shut off 
    GrandPrix Junkie NegativeOne13's Avatar
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    What have you all done? Checked for vac leaks? Cleaned TB?

    And smile it's Blacktooth Grin!
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  4. #4 Re: Intermittent start/ low idle,shut off 
    GTP Level Member dmahlikGT's Avatar
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    i checked for vac leaks but so far none.Last time i cleaned my TB was back in spring so pretty recent. Could be a dirty MAF? My mechanic also mentioned it could be the egr pinnale? He told me to just take apart the egr and spray it with carb. I just wanna know what to look for.
    04 GTP-3.6 pulley, custom tuned, Intake, headers,thrush exhaust, al104 plugs, 180* stat, shift kit, flipped mounts

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  5. #5 Re: Intermittent start/ low idle,shut off 
    SE Level Member jarkayman's Avatar
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    You could unplug the MAF sensor and see if it still does it.
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  6. #6 Re: Intermittent start/ low idle,shut off 
    GrandPrix Junkie
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    How about checking the IAC since this appears to be at startup. Might be sticking hence the strange idle/stall issue.
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  7. #7 Re: Intermittent start/ low idle,shut off 
    GTP Level Member dmahlikGT's Avatar
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    ^Thats possible.forgot about that
    04 GTP-3.6 pulley, custom tuned, Intake, headers,thrush exhaust, al104 plugs, 180* stat, shift kit, flipped mounts

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