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October 26, 2015 Service bulletin

Engine

Chevrolet technical service bulletin PIP5341 for 2007-2011, 2014 Chevrolet Silverado 1500, 2007-2014 Chevrolet Tahoe and 2014 GMC Sierra 1500 and others.

Bulletin number
PIP5341
Component
Engine
Summary
This Preliminary Information communication provides information to the technician about vehicles that engine runs and idles rough. Technician will find P0171 and or P0174. Technician will need to inspect the positive crankcase ventilation tube for a vacuum leak on the left side of the engine. Replace positive crankcase ventilation air tube and cover it with conduit to protect from repeat damage.

Owners of these vehicles have filed 1,279 complaints in the engine category.

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