Question about 2003 GMC Yukon XL

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Yukon xl 2003 when i turn air on sometimes it wil sputter or stale whats the problem

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It sound like your air idle control valve may have gone bad or the wire harness has unclipped. The common problem is the air idle control valve has carbon build up. Try spraying Throttle body cleaner, (NOT CARBURETOR CLEANER)in through the throttle body. USE the whole can, just follow the instruction on the can. Once that has been done, turn the engine off, turn the ignition key to the run position for 30 seconds and then turn if off for 10 seconds then start it and let idle for 1 min and go for a test drive. If it's still stalling check all the wire connection to the air idle control valve and try cleaning it again. If that doesn't work then your going to have to replace the air Idle control valve. Try cleaning it first the cost of the control valve is around $100.00 give or take and most dealers will try cleaning it first before they replace it, since they know you'll be back for it to be cleaned again in the future telling you they manage to save you some money buy cleaning the one you have. Good luck and hope this helps.

Posted on Jun 15, 2009

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Posted on Jan 02, 2017

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