2005 Buick LeSabre Q&A

2005 Buick LeSabre Question: gas cap loose is turning on service engine light soon on

Will a new gas cap turn off service engine light soon off if a new gas cap is the solution? -
Answer 1
have codes scanned at auto zone and post so we can adv -
Answer 2
A new cap will not turn the light off IF indeed it was actually the problem. But a scanner will and while hooked up scan codes as suggested. -
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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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