Check engine light came on for a cylinder 4 misfire. I had all plugs, coils and gaskets replaced. I now have a permanent DTC Code on my car. Maybe this happened because my check engine light was on for a while but now it will not clear out with a scanner. I had a drive test done on the car and it cleared the code for about 5 minutes. I am 99% sure my jeep is fixed. I just would like to know how to clear the code so my check engine light will stay off.
My car has 55000 miles.
My car has an automatic transmission.
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