GMC TSB #N232427950
2023 GMC Sierra 1500
Affected Component: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
- Summary
- Emissions Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles with a 2.7L engine. Under certain driving conditions, due to differences in flow rate characteristics, the fuel injectors may not be able to properly optimize engine fueling for emissions purposes. Dealers will replace the engineâs four fuel injectors.