2010 Chevy Aveo Check engine light is...

2010 Chevy Aveo Check engine light issues

Posted in the Chevrolet Aveo Forum

Since: Dec 12

Location hidden

#1 Dec 15, 2012
I bought 2010 Chevy Aveo LT in september I am the second owner. I love my car but lately when I get down to a quarter of a tank of gas the check engine light turns on and then it turns back off again when I fill up the tank. I have tried taking it into the dealer but because every time I have gone in there the check engine light is not on when they turn on the car they just tell me that there is nothing wrong with it and send me home. I am wondering if anyone else has had the same issue and if they found a fix for it?
Matt

United States

#2 Dec 17, 2012
Sorry to hear about the check engine light coming on. If it continues to occur without a resolution, please send an e-mail to Socialmedia@gm.com with you VIN#, name, contact information, situation, and the dealership you're working with. I hope all is resolved quickly for you.

Matt,

GM Customer Service
Evidence

Oceanside, CA

#3 Dec 18, 2012
If they could not find another problem, then it could be the gas cap. A large number of Aveo owners will go through issues where the check engine light will come on because the gas cap isn't on quite right. Even a crease in the seal is enough to make some people's check engine light come on.
zahran ahmed

Cairo, Egypt

#4 Oct 15, 2013
i hav chevy aveo and ihav chechk eng ing light and coad p0122
zahran ahmed

Cairo, Egypt

#5 Oct 15, 2013
coad p0122
fustrated

Dover, NJ

#6 Nov 3, 2013
so my car sat for 48hours with quarter tank of gas. it was perfectly fine when i parked it. No lights, sounds, or anything.. i go to turn it on after its been sitting and what da ya know the check engine light is on and not flashing... turn the car off and check the trans fluid; fine, the oil; fine (could be better but its very cold). what the hell is wrong. i have had nothing but bad luck with this car
Chevrolet Owner

Grand Prairie, TX

#8 Feb 6, 2014
I own a 2010 Aveo with OD reading 50,000 miles and my engine light stays on. I replaced the oxygen sensor and after 80 miles later the light turned on again. I replaced the gas cap just in case. Any suggestion? Does the oxygen sensor has a fuse?
jay

UK

#9 Jul 11, 2014
The engine light on my chevy aveo came on without any reason. It came on previously & the oxygen sensor was changed. Its now due for 90 000 service & the light is on. Can anyone tell me why.
bruce

Orange, TX

#11 Nov 17, 2014
anybody out there know something about this problem? took my aveo to diagnostic shop (chevy) they told me my problem was to replace my no.2 oxygen senser and my caltalaytic converter I did but same problem can't go go over 40 mph
catmanbert

Sunman, IN

#12 Apr 6, 2015
Chevrolet Owner wrote:
I own a 2010 Aveo with OD reading 50,000 miles and my engine light stays on. I replaced the oxygen sensor and after 80 miles later the light turned on again. I replaced the gas cap just in case. Any suggestion? Does the oxygen sensor has a fuse?
i found a vacuum leak in my air intake hose between MAF sensor and throttle body, i took hose off and found dry rotted on bottom causing false reading to o2 sensors. replaced hose and reset light and never had another issue.

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