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December 1, 2007 Service bulletin

Engine has low power on acceleration or when towing

Chevrolet technical service bulletin 3917 for 2008 Chevrolet Silverado 1500, 2007-2008 Chevrolet Tahoe and 2007 GMC Sierra 1500 and others.

Bulletin number
3917
Component
Engine and engine cooling: engine
Summary
Engine has low power on acceleration or when towing. Equipped with the 6.0l ly6 and l76 engine. Nj updated 1/29/08. Nj

Owners of these vehicles have filed 290 complaints in the engine category.

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