Table 1 shows two common other fuel system related problems of the 2018 GMC Sierra 1500. The number one most common problem is related to the other fuel system (nine problems). The second most common problem is related to the other fuel system fuel injection system (one problem).
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System problems | |
| Other Fuel System Fuel Injection System problems |
I own a $35,000 2018 GMC Sierra 1500 6. 2l v8 4x4 denali, which is currently down due to engine failure while I was driving down the road. . Never had a check engine light on the dash. Haven't had the truck a year before it quit. Read details...
Fuel injection seals #4 o-ring split - leaking fuel - pooling gas on manifold. Took vehicle in for smell of gas, lack of acceleration and poor gas mileage. This is known issue based on the service bulletin 18-na-137 - vehicle has less than 6000 miles Read details...