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May 21, 2019 Service bulletin

This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves,...

Chevrolet technical service bulletin 16NA383 for 2000-2019 Chevrolet Malibu, 2006-2011, 2014, 2019 Chevrolet Silverado 1500 and 2000-2019 Chevrolet Impala and others.

Bulletin number
16NA383
Component
Engine and engine cooling: exhaust system
Summary
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.

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