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Showing results for tags 'restting check engine light'.
I accidentally didn't tighten my gas cap after refueling and my check engine light came on. I drove it to a nearby Autozone and the code came back that it was the gas cap. I've been driving the car for the last 3 days and topped off with good premium gas but the light is still on. I contacted a Porsche dealer who advised that it will rest. The question is does anyone know how long it normally takes for the light to disappear? Ty