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Q: check engine lite on since chg plugs/cables on 1993 Chevrolet Cavalier

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chgd plugs/plug cable wires, now check engine light on I have never ever seen this light on before and wonder why now told to open it up on freeway and see if it goes out could computer be re adjust due to 2 days before plug chg of running rough since plugs cable wires changed runs fine but light for check wont go out its in upper right corner on dashboard
(2) Answers
Remove battery negative cable for a couple minutes. Light shoud turn off, if it comes back on, recheck your work as you may have knocked a wire connector to a sensor etc. loose. Have it scan tested if necessary to find out why the light came back on.
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