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Engine Control Module (ECM) can fail on Buick Riviera

Problem Description and Possible Solution

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

Problem Data
RepairPal Verified
Average mileage: 127,500 (126,000–129,000)
3 model years affected: 1990, 1991, 1995
7 people reported this problem