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January 1, 2004 Service bulletin

Erratic fuel gauge operation and new diagnostic values

GMC technical service bulletin 3177 for 2005 GMC Envoy and 2005 Buick Rainier.

Bulletin number
3177
Component
Fuel system, other: storage: fuel gauge system
Summary
Erratic fuel gauge operation and new diagnostic values. Various models including 2005 chevy trailblazer. Tt

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