One problem related to other fuel system has been reported for the 2014 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 GMC Sierra 3500 based on all problems reported for the 2014 Sierra 3500.
Cp4 high pressure fuel pump failed/disintegrated causing metal shavings to be pumped through out the fuel lines, injectors and connected systems requiring a replacement of the pump, injector and fuel lines totaling over $11,000 in repairs. Trucks mileage was 94112 at the time.
| Other Fuel System Tank Assembly problems | |
| Other Fuel System problems |