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My gas cap was not on all the way. I put the gas cap back on now but the light will not go off.. I’m trying to get my car to pass the emissions test and it won’t before of that.

Answers from the Automotive Experts

Jessica Howe, Automotive Expert & Coach at AskPatty.com

Hello, 

Thank you for writing in. If the gas cap is working and properly screwed in, then the gas light will eventually reset on its own. Try driving the vehicle for 20 minutes or so, which allows the computer to run several tests and verify that there is nothing wrong with the fuel system. You can also have someone with a scan tool clear the codes as well. This can be done by a technician, or at most automotive parts stores. Good luck!


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