Is your defective GMC Yukon actually a LEMON?

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GMC TSB #23-NA-043

2021 GMC Yukon

TSB Document:

MC-10235766-0001.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 Set.

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Date Published: APR 19, 2023
NHTSA TSB #: 10235766

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