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Old 03-13-2007, 11:21 AM
boomer boomer is offline
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Join Date: Oct 2005
Posts: 45
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Default Re: Service Engine Light

same thing with me, if you have onstar have them do a diagnostic they told me i had a misfire rightaway.if light goes out still bring it in . mine went out after a day , thought i got some bad gas or something temperery. not to be had head replaced and 1st tank of gas got 11mls per gal.after repair with still a rough idle. looks like im makeing another call. good luck to you though
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