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...
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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.
