Check Engine Light Due to Gas Cap Issue on Saturn Aura

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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Average mileage: 74,455 (38,000–110,000)
3 model years affected: 2007, 2008, 2009
13 people reported this problem
4 people shared problem details
Check engine light was lit. Went to have my care serviced for oil change and filter, and my mechanic told me that my gas cap was not properly closed or I need to replace it. I bought a new gas cap and it solved the problem.
2007 Saturn Aura80,000
2007 Saturn Aura74,000
The engine light came on and the diagnostic check indicates that it could be a leak in the gas line and/or gas cap isn't on properly. Shop cannot detect any problems with the vehicle and turned light off but it came back on again
2007 Saturn Aura53,100
Gas cap seems to be loose. Won't fully tighten like I'm used to on other cars. Last time the check engine light came on I took it to a dealer and they said the code was a vapor leak. They reset the code, but now the lights on again. Probably time for a new gas cap.
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