my 2003 yukon xl this winter will start up fine then after a few min will stall out i go to start it again and it starts up just fine and doesnt stall again it seems like it is ideling low? what could be causeing this?

Asked by Jan 18, 2017 at 06:13 PM about the 2003 GMC Yukon XL

Question type: Maintenance & Repair

1 Answer

77,755

May be dirty injectors, start running some fuel injection cleaner threw the gas along with something that has Isopropyl in it to take care of any moister that could be in the gas. May want to clean the throttle body also.

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