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Clogged fuel filter - Printable Version

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+--- Thread: Clogged fuel filter (/showthread.php?tid=3887)

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RE: Clogged fuel filter - Brad Townsend - 11-21-2017

    So I found the filters and cut them open. The longer one is located on the engine compartment wall and the shhorter one is mounted at the engine.
I assume that is the correct order but not sure. Can anyone verify that? Any way that is how these were. No sure what color they should be. I tried wiping with paper towel and nothing got on the towel but some fuel. Not sure why the longer one has a lighter section, that is not sunlight on the filter.

RE: Clogged fuel filter - RussWhite - 11-21-2017

Brad,
Try slicing in open with a cut parallel to the ends.
Russ

RE: Clogged fuel filter - Brad Townsend - 11-21-2017

Will do tomorrow. What am I looking for?

RE: Clogged fuel filter - RussWhite - 11-21-2017

You need to look at the "dirty" side of the filter to see what may have stopped it up.   It might look something like this:

   

RE: Clogged fuel filter - Brad Townsend - 11-22-2017

   
Russ: Now those are dirty filters.
As you can see mine are not like yours. Just blackish.
Wondering if they should be amber like the color of diesel fuel.

RE: Clogged fuel filter - RussWhite - 11-22-2017

Brad,

I just posted some pics from the net of dirty diesel filters - thankfully not mine.
Yours look to me like you may have an algae problem. But I am not the expert. I hope others will look and offer their opinion. Definitely clogged with something, but I guess you already knew that.
Russ

RE: Clogged fuel filter - Fulltiming - 11-22-2017

Looks like the algae I picked up last summer. I used a biocide and changed the filters out 3 times to get it cleared.

RE: Clogged fuel filter - Brad Townsend - 11-23-2017

Michael: aprox how many miles between changes or did you drive till you noticed a difference in power.
What was the biocide you used?

Thanks

RE: Clogged fuel filter - Fulltiming - 11-23-2017

I was changing my filters about every 800-1000 miles. I think I used Biobor JF Diesel Fuel Biocide.

RE: Clogged fuel filter - Brad Townsend - 11-27-2017

So I drained a gallon of fuel from the bottom of both tanks with very little debris coming out so I am leaning to the clogged filters just stuff probably being cleaned from the ultra low diesel and or bio diesel. I will definitely be carrying extra filters.

I also use the JF Diesel fuel biocide, I read that it is what the Coast Guard uses so i figured it must be good.
Does anyone know which filter attaches to the motor and which goes on the wall? I am not sure If I have it right. The dirtiest filter was the one on the motor.