Table 1 shows four common other fuel system related problems of the 2004 GMC Sierra. The number one most common problem is related to the other fuel system (two problems). The second most common problem is related to the other fuel system tank filling/charging (one problem).
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System problems | |
| Other Fuel System Tank Filling/charging problems | |
| Other Fuel System Fuel Gauge problems | |
| Other Fuel System Pump problems |
GMC replaced all 8 fuel injectors under warranty at 95,000 miles. Same problem again at 135,000 and will not cover them. Estimated $5,500 to replace by consumer with only a 12 month warranty. Creates poor fuel economy, excessive smoke at idle and will not pass smog if not corrected. Read details...
Rusted out/ corroded brake lines burst while stopping for a deer running out on the road. Was warned of this problem upon purchase of the vehicle in 2010 and personally coated all brake lines b4 winter every year. . . Read details...
Gm mailed a notice that the instrument panel in 2004 sieera trucks is subject to failure including fuel gauge, speedometer, etc. These can be very serious safety concerns depending on driving conditions. Gm has offer to extend the warranty to 70,000 miles or 7 years. Read details...