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.
Loss of Engine Power Due to Plugged Catalytic Converter on Buick Regal
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2002 Buick Regal115,447Visitor
car will not accelerate replaced plugs, o2 sensor , fuel filter,
2001 Buick Regal75,000Visitor
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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when I DRIVE can a clooged cadilac converter send exhaust back to the engine in send smoke though the vent