Table 1 shows one common diesel fuel system related problems of the 2008 GMC Sierra 3500.
| Problem Category | Number of Problems |
|---|---|
| Diesel Fuel System problems |
The water in fuel sensor on my 2008 GMC 3500 hd with a 6. 6l duramax diesel. I had to take it in to the dealer they told me that I had water in my fuel. The had to flush my fuel system and replace the water in fuel sensor they charged me $840 for this repair. But the weird thing is the light never came on. And upon my research I came across this forum that claims this sensor never works. . Read more...