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Performance Issues Due to Faulty ECM Grounds at Front of Engine on Cadillac Eldorado

Problem Description and Possible Solution

The engine control module (ECM) electrical grounds on the front of the engine block may develop high resistance causing engine performance issues.

Problem Data
RepairPal Verified
Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem