Quote:
Originally Posted by irishguy
No black flakes that I can see but it sure doesn't look good.
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I have a 01 Dynasty that sat for awhile before I got it. Recently I was low on fuel and in a remote area and I put in 30% bio. I called Cummins and they said it would be fine for that fill up. I only put in about 1/2 tank.
Since then it's difficult to find fuel that doesn't have 5-10% bio. I've heard 5% may be preferred but I didn't hear that from Cummins
Ever since I put the bio in the fuel has been darker. Runs fine and I change my filters every 6 mos and cut open the primary. I used a biobar kit to see if it was organic (like so called algae) and it was not. I pulled some fuel off the bottom of the tank and it looked the same with no large buildup of sludge apparent.
I'd run it and change your filters and maybe cut open the primary to see how bad it is. . I try to avoid bio over 5%.
I did lose my CAPS pump around this same time but no way of knowing if that was related.
I'd love to put a filter restriction gauge in line.