Possible algae is fuel tank
My diesel motor home has been sitting since October with a full tank of fuel. A month ago, I put around 200 miles on it with no problems. Well after talking to a friend of mine that just had to change...
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Treat now and purchase 2 more sets of filters. I doubt you have algae, as that takes water and heat to grow in diesel fuel. It is probably just normal gunk that forms on the sides of diesel tanks and when it comes loose will look like you describe.
If you have been traveling in Mexico and using LSD, then you will get those globs when you return to the US and switch back to ULSD.
If you have been traveling in Mexico and using LSD, then you will get those globs when you return to the US and switch back to ULSD.
