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GMC TSB #23-NA-043
2021 GMC Sierra 1500
TSB Document:
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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