Check Engine Light Due to Gas Cap Issue on Chevrolet Aveo

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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Average mileage: 72,245 (24,000–165,000)
8 model years affected: 2004, 2005, 2006, 2007, more2008, 2009, 2010, 2011
44 people reported this problem
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problem details
2007 Chevrolet Aveo 90,000 mi,
Replaced gas cap. The check engine light stayed off for two wks. and is back on again.
I click the gas cap 3 times past the normal clicking & the check engine light still stays one, need help to fix it or find someone who can. Thank you.
This started about 5 years ago at 25,000 miles, and all I have to do is to turn the gas cap at least 3 turns to make sure that the Check Engine light doesn't come on. If it does and it is shortly after you pump gas into the car, then you know that you haven't turned it past 3 turns on the gas cap. This problem hasn't happened to me since it started 5 years ago.
2005 Chevrolet Aveo 100,000 mi,
worn gas cap caused engine light to come on. replaced cap and passed smog test
There is a recall on this problem
2004 Chevrolet Aveo 40,000 mi,
I was overseas serving in the military when the recall started, by the time I returned the recall had expired.
Made sure gas cap was tightened and it completed the problem. Gas cover fell off. Have noticed other with the same problem
2008 Chevrolet Aveo 82,428 mi,
I bought this car used at a dealer and drive it 4 days and after my first gas fill up the check engine light went on.
2009 Chevrolet Aveo 35,000 mi,
After the car was serviced. This check engine light came on. Dealership said it was nothing. That was over 30,000 miles ago. Now that the warranty is out, they want to check it. A friend told me the rubber had probably worn out in the gas cap's sensor. To replace the as cap.
2009 Chevrolet Aveo 60,000 mi,
Check engine light comes on because of loose gas cap.
2006 Chevrolet Aveo 158,000 mi,
Bought aftermarket gas cap and it fixed the problem
2011 Chevrolet Aveo 74,000 mi,
check engine light came on and the gas cap was the problem
2004 Chevrolet Aveo 111,000 mi,
Shortly after filling up with gas the check engine light came on.
2008 Chevrolet Aveo 160,000 mi,
The gas cap wont lock/seal and now the check engine light is on
2009 Chevrolet Aveo 32,000 mi,
Check engine light came on due to faulty gas cap.
2007 Chevrolet Aveo 30,500 mi,
Check engine light went on and the repair man said the gas cap wasn't locking so the gas fumes were not being properly cycled through the engine. I just had to get the gas cap replaced; it cost about $25.
2006 Chevrolet Aveo 48,000 mi,
put a new gas cap on
The cap just wasnt twisted tight enough and the Check Engine light came on. I brought it in to my mechanic and paid for them to tell me this, lame.