Buick TSB #16-NA-383

2020 Buick Regal TourX

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

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.

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Date Published
MAR 13, 2024
NHTSA TSB #
10251890
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