Erratic temperature gauge and warning light on Oldsmobile Cutlass Supreme

The engine temperature sensor wire for the engine temperature gauge, or warning light, may touch the rear exhaust manifold causing a short to ground causing erratic operation of the temperature gauge or warning light.

RepairPal Verified
Average mileage: 47,000 (47,000–47,000)
Electrical & Lights affected: 3.1L V6
5 model years affected: 1990, 1991, 1992, 1993, more1996
5 people reported this problem
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