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Pontiac
Bonneville
11

Engine Control Module (ECM) can fail on Pontiac Bonneville

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: 153,523 (153,523–153,523)
7 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 2001
11 people reported this problem
Comments
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where is ecm located at in car