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Discussion Starter · #1 ·
someone told me you get worse mpg with the check engine light is on, whether or not something is wrong with it. true?

· The Anti-RUB
1,723 Posts
The check engine light can mean alot of things ranging from the Oxygen Sensor manfunction, or the PCM itself is messed up (happened to me). I would take it to a dealer and have them check it out...

It could have an even worse effect then just bad gas milage...

Good luck...
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