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January 28, 2005 Service bulletin

Misfire at idle cold and possible P0171 and or P0174

Chevrolet technical service bulletin 3232 for 1999-2003 Chevrolet Tahoe, 1999-2003 Chevrolet Silverado and 1999-2003 Chevrolet Suburban and others.

Bulletin number: 3232
Component: Engine and engine cooling
Summary: Misfire at idle cold and possible p0171 and or p0174. Eh

Owners of these vehicles have filed 938 complaints in the engine category.

Vehicles covered

Chevrolet Tahoe 1999-2003 1999 2000 2001 2002 2003
Chevrolet Silverado 1999-2003 1999 2000 2001 2002 2003
Chevrolet Suburban 1999-2003 1999 2000 2001 2002 2003
Chevrolet Trailblazer 1999-2003 1999 2000 2001 2002 2003
Chevrolet Avalanche 1999-2003 1999 2000 2001 2002 2003
Cadillac Escalade 2002-2003 2002 2003
Chevrolet Express 1999-2003 1999 2000 2001 2002 2003
GMC Savana 1999-2003 1999 2000 2001 2002 2003
Chevrolet Yukon 1999-2003 1999 2000 2001 2002 2003
Am General Hummer 2003 2003
Chevrolet Sierra 1999-2003 1999 2000 2001 2002 2003
Chevrolet Envoy 1999-2002 1999 2000 2001 2002

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