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May 8, 2020 Service bulletin

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...

Chevrolet technical service bulletin 16NA383 for 2000-2020 Chevrolet Malibu, 2000-2014 Chevrolet Silverado 1500 and 2000-2020 Chevrolet Impala and others.

Bulletin number
16NA383
Component
Engine
Summary
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.

Owners of these vehicles have filed 25,809 complaints in the engine category.

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