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October 9, 2006 Service bulletin

Engine light on rough idle or will not start

Pontiac technical service bulletin 4256 for 2007 Pontiac Grand Prix, 2007 Buick Lacrosse and 2007 Buick Allure.

Bulletin number
4256
Component
Engine and engine cooling: engine
Summary
Engine light on rough idle or will not start. Kb

Owners of these vehicles have filed 48 complaints in the engine category.

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