What is this gunk in my fuel filter?
My onan diesel generator recently stopped running. I found that the fuel filter was clogged with some sort of reddish/brown gunk that looked like mud or dirt. I changed the filter and now the generato...
Forum Discussion
wny_pat wrote:n4hwl wrote:I've pumped out lots of big underground fuel tanks at truck stops and gas stations. Sounds just like the******that was on the bottom of the tanks. Called refinery sludge. Have you fueled up recently where a transport was unloading fuel? That stirs up all that sediment and it gets pumped out to who ever happens to be fueling up. You can't depend on the stations filters to filter it out because they don't get changed enough and go on bypass.
found this same reddish/brown gunk in the bottom of my fuel filter to the cat c7. It was down in the clear plastic cap on the bottom of the filter.
I'll always by-pass a station if I see a tanker filling the tanks (at least ask the driver if he's dumping diesel or gasoline as I'm using diesel) but is there anyway to know whether or not a tanker may have just left the station? How long after a delivery would you guess it takes for the gunk to settle back to the bottom of the tank?
Do you have any idea how far off the bottom of the fuel tanks the pick-up might be for the pumps we are using to fill our RVs with? Are we always using off the bottom of the fuel storage tanks?
