Engine Control Module (ECM) Can Fail on Buick Park Avenue

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

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Average mileage: 127,560 (65,000–226,000)
8 model years affected: 1991, 1992, 1993, 1994, more1995, 1996, 2001, 2004
15 people reported this problem
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problem details
1994 Buick Park Avenue 85,000 mi,
I have replaced the ECM 4 TIMES!
Stalling while driving, won't start wait 30 minutes then starts, start school but a roughost idle for 5 to 10 seons
1994 Buick Park Avenue 120,000 mi,
rough idling