Q: Service engine light came on

asked by on July 24, 2017

I just got new test pipes on my car the check engine light came on after that then it shut off one week later the service engine light came on and it's not Turning off now all I know is when I put them on I dipped the oxygen sensors in gas to clean it I don't know why the service engine light is on

My car has 123000 miles.
My car has an automatic transmission.

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