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Question Asked: Loose gas cap.
April 18, 2009, 08:42 AM
Will a loose gas cap cause the check engine light to come on. My CEL displayed shortly after our return trip from a vacation however upon my next gas fill up I noticed that my wife did not have the gas cap on tightly. After securing the gas cap after filling up the CEL still remained lite. I took to mechanic and they indicated that New Evap Vent Valve and Purge Valve needed to be replaced. My vehicle has only 62,000 miles.
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