Gas cap

Asked by Jun 14, 2019 at 10:32 AM about the 2011 Chevrolet Impala

Question type: Maintenance & Repair

Check engine came on. Then the tighten gas
cap message came on. Changed the gas cap
but light is still on.

3 Answers


After fixing the gas cap, it takes several cold restarts to extinguish the warning.

1 people found this helpful.

Any suggestions if it’s not the gas cap?


A loose gas cap is only one of hundreds of possible causes. Have the trouble codes read at your local auto parts store to know what the issue is.

Your Answer:


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