What does the service engine soon light mesn

Asked by Rob Nov 18, 2018 at 08:32 PM about the 1994 Chevrolet C/K 1500 Cheyenne LB 4WD

Question type: Maintenance & Repair

I was driving down the highway at at
about 65 mph and my service engine
soon light came on !! The truck didn't
seem to lose any kind of performance
what so ever ! What can that light be a
precursor for

1 Answer
143,825

T_S_T answered 5 years ago

Have it scanned to know the real issue,but more than likely if truck is running ok it will be a bad o2 sensor that is causing the light.

Mark helpful

Your Answer:

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