02 yukon xl denali stalling issues - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-14-2011, 02:03 PM   #1
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Default 02 yukon xl denali stalling issues

my truck has had an issue stalling when im off the gas at low speeds -- and when im around and under 30-35mph and off the gas the volt meter drops and the lights dim and as soon as i hit the gas everything goes back -- doesnt have a problem starting back up at all just keeps shutting off on me like at lights or backing up off the gas --- anyone have an idea -- ive changed the battery but nothing .......
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Old 11-14-2011, 05:26 PM   #2
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if the idle is getting low the alt may not be able to power at low rpm. check the throttle body butterfly for carbon build up, clean with tb cleaner.
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