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Old 12-13-2015, 09:57 AM   #1
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6.0 fuel filter indicator

We have a 2005 F250 with the 6.0 and 170k miles and it has been great until recent.

It only gets used to get hay or estate sale loads so weekend trips maybe but it seemed to not be as peppy as before.

The boost indicator was a bit higher than normal meaning showing some boost at 40 mph where it had very little if any before.

We had got some B 20 at a place that we had used many times before so did not think much of it.

Silly thing just had less power so given usual advise given here we replaced the fuel filters...easy task and we ordered them from amazon which suggested a special socket...got it and is needed for easier work.

Filters were both clogged badly and new ones went right in.

Instructions state 3 start wait cycles...5 were not enough so do 10...

Runs great now so the lesson learned other than to change them more often is to pay attention to the boost indicator as the engine is fly by wire and the computer is trying to meet expectation of operator and with computer controlled turbo it applies more boost to try to make the fuel starved engine run better.

Tony & Lori
1989 Country Coach Savannah SE
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Old 01-03-2016, 01:20 PM   #2
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B20 has properties that act like a solvent in your tanks, injectors, etc. While running B20 is better than any additive you can buy for ULSD, that solvent-like property does have a downside. It cleans the tank lining and other surfaces, and the ugly stuff winds up in your filters. I run B20 in my 6.0 as well, but I do fuel filters at every 7500 miles oil change now because the stuff will clog you up bad. My 6.0 loves B20 and I have a good 40-50k miles running the stuff, but the last thing you want to do is starve the injectors in this motor of fuel or oil as it can get pretty expensive.
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