Engine Control Module (ECM) can fail on Pontiac Grand Prix

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

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Average mileage: 110,935 (60,000–144,350)
7 model years affected: 1991, 1992, 1993, 1994, more2003, 2006, 2007
10 people reported this problem
2 people shared problem details
Sometimes car won't start and sometimes it will
After 1000.00 dollars charged by a mechanic? Finally a real mechanic replaced the ecm
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