Loss of Engine Power Due to Plugged Catalytic Converter on Buick Regal

The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please contact your local GM dealer to see if your vehicle is included.

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Average mileage: 95,223 (75,000–115,447)
2 model years affected: 2001, 2002
6 people reported this problem
2 people shared problem details
2002 Buick Regal115,447
car will not accelerate replaced plugs, o2 sensor , fuel filter,
2001 Buick Regal75,000
Loss of power that got worse quickly. Mechanic quickly determined it was the catalytic computer. Spent over $700 to have it replaced.
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