Having problems with your 1986 Oldsmobile Cutlass Supreme ?

I had a new engine put in my car but the service man could not get the light off.

Posted / edited by AnonymousUser on : 23-05-2022

Answers :

The light is on because a problem exists in the engine electronic controls. To reset the light disconnect the battery negative cable for 5 minutes. If the problem is still there the light will come back on. In that case you need to run a fault code test on the system, to do that go here and read the way it is done.
Repair Help & Product Troubleshooting for 1986 Oldsmobile Cutlass Supreme

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