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September 1, 2005 Service bulletin

Special policy adjustment-catalytic converter

Chevrolet technical service bulletin 05551 for 2001-2002 Chevrolet Impala, 2001-2002 Pontiac Grand Prix and 2001-2002 Buick Regal and others.

Bulletin number
05551
Component
Engine and engine cooling: engine
Summary
Special policy adjustment-catalytic converter. The vehicle may experience a condition where the vehicle's exhaust catalytic converter was replaced due to the complaints of lack of power or illumination of the malfunction indicator lamp. Sc

Owners of these vehicles have filed 980 complaints in the engine category.

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