There can be a multitude of different reasons the 2012 Dodge Avenger check engine light to come on. Some of the common causes that You can visually check are the gas cap loose or broken and visually look under the hood in the engine compart to see if there are any wires disconnected or damage. The neXTStep is to get it diagnosed with an OBD sensor which You plug into the car to get error codes. If You don't have an OBD diagnostic tool You can purchase one or borrow one from Your local auto parts stores. You can also take it to a mechanic who can do the full diagnosis and pinpoint the issue easily.
Jay
June 17, 2023
Could be a few things. 1st check all your fluids then check for air leaks in your systems if that doesn't work get it put on a test machine mine came on for a bad waterpump
Kim Hounshell
November 11, 2022
Could it be low on oil
LaQueta Williams
February 6, 2022
Do you guys have a phone in which I can add this service
Debbie P
July 16, 2020
The 2012 dodge avenger check engine light usually is caused by a loose gas cap or a sensor problem.
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