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February 1, 2012 Service bulletin

Buick/cadillac/chevrolet/gmc/pontiac/saturn: there may be an intermittent engine hesitation or flutter

Chevrolet technical service bulletin PI-0090-B for 2009-2011 Chevrolet Malibu, 2008-2011 Chevrolet Equinox and 2007-2009 Pontiac G6 and others.

Bulletin number
PI-0090-B
Component
Engine and engine cooling: engine
Summary
Buick/cadillac/chevrolet/gmc/pontiac/saturn: there may be an intermittent engine hesitation or flutter. The camshaft sensor terminals likely have poor connections. Rm updated 8/1/11.

Owners of these vehicles have filed 3,586 complaints in the engine category.

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