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GMC TSB #18-NA-103
2018 GMC Sierra 2500
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
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