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Buick TSB #16NA383
2020 Buick Regal
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- This informational 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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