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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Our local Hess station recently switched to a diesel with some bio in it. All they added was a little sticker that says "may contain up to 15% bio diesel". Noticed it just as the tank got full. Later that week my check engine light came on. Took it to the dealer and was told the fuel filter is clogged with some stuff that does not look or smell like diesel. Check the pumps closely before filling up.
