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Thread: 2003 ESV Idle issue

  1. #1
    Ravendarat is offline Cadillac Owners Member
    Automobile(s): 2003 Escalade ESV
    Join Date
    Nov 2013

    2003 ESV Idle issue

    Hey guys, new to here and I have a problem thats driving me INSANE. My 03 ESV has about 230 kms on it and I have a bad idle issue. Regardless of operating temp it will flutter idle between 100-700 ish rpm and stall out at times. The CEL light is on, I can't remember the exact code but it reported back as a MAF problem. I replaced the MAF and I still have the light and still have the idle problem. Do you guys have any ideas here? This truck has been nothing but a HUGE lemon since I owned it and this is just one more thing that is driving me nuts and I am really trying to figure this out so I can drive this truck without worrying. Thanks guys.

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  3. #2
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville
    Join Date
    Sep 2010
    East Boston MA.
    Assuming the new MAF isn't defective, the only other possibilities are a connector/wiring problem, or a faulty PCM.

  4. #3
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners 10000+ Posts
    Automobile(s): 03 cadillac escalade
    Join Date
    Mar 2011
    speedwell tn,
    I hate to be obvious but did you clean the throttle body??

    Mine would idle like crap when I first got it and I had to clean the throttle body


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