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My check engine light came on, no noise no other issues. I tightened the gas cap and it's still on.

Answers from the Automotive Experts

Jessica Howe, Automotive Expert & Coach at AskPatty.com

Hello, 

The vehicle should be taken to a parts store or repair shop to have a diagnostic scan run. Once you have the results of your scan you or your technician can make appropriate inspections and repairs. With no other symptoms showing, it is likely a faulty sensor or connection. There is no way to know until the vehicle is scanned. 


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