Check Engine P0499

Asked by Oct 10, 2016 at 09:51 AM about the 2006 Pontiac G6 Base

Question type: Maintenance & Repair

Hello!

My check engine came on recently, and the code read is P0499. I have
read some thoughts that this could be an issue with the gas cap, and may
not require more than a quick replacement. If that is the case, should I
expect the check engine light to turn itself off after the replacement? Do I
need to get the light cleared? (AutoZone would not clear it for testing
purposes). Am I completely on the wrong track here?

Thanks for the help!
Jim

1 Answer

8,165

the definition of that code is Evaporative Emission System Vent Valve Control Circuit High so replace your gas cap and it should go off on its own

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