Bad fuel

It is in fact an Algae growth going on in the fuel system.
Look in the tanks, bet they are a black-blue color. The filter probably feels gritty and slick. Stinks too.

Sounds like you may have caught this early, that's good. The problem is it gets into your fuel system from tank to injectors. The filters do not stop it, they just collect the big chunks.

Check around and see if you have any marine supply stores, they are going to have the best price on the treatment your going to need. they should have a few brands of algaecides available. Also your going to need several of all your filters.

you will need several bottles of the algaecide, and it's going to take a few weeks to fully kill off the algae and clean the system. Start with a shock treatment, usually a dose at 2X strength, then regular dose at each fill up. Run your tanks down as far as possible between fills.
Change out all your fuel filters at the same time. usually will take 3 or 4 changes to clean up the system.


It sure will kill MPG and power.

Please don't ask how I have first hand experience with this.

 

Lol...It's no algae. Algae needs water and sunlight, not dark and diesel fuel. It's tar and it's called Asphaltene

 

Memphis, TX has had numerous heavy downpours lately. Sometime minor "flooding" can breach the storage tank. But certainly might be a load of fuel with too high blend of bio-diesel garbage. I've heard Loves pushes the limits with bio-diesel blends. I wish bio-diesel would go away altogether.

 

Sounds like algae to me. Get you biocide but better carry 2-3 extra filters at all times, that stuff start dying it'll really plug you up. Back in day algae rarely shown up in OTR applications because sulphur content made nearly impossible to survive and grow but now we have very little sulphur. All it takes is little water in tank. Water will "pool up" in bottom like little bubbles. If you don't run tanks low frequently raise risks of retaining the water. When I had my truck I treated every now and again for preventative maintenance on algae. This is after I got algae once. I wasn't having that crap back!

 

It's not alive and does not grow!!! It's tar.

 

Biodiesel is fine if it's made by a good supplier

 

Some of the black slime is precipitates dropped out of the fuel caused by microbial growth. It's called algae, colloquially, but it is, indeed a situation caused by microbes-bacteria and sometimes even fungi. /BiologyMajor

 

Funny