I have a 2006 freightliner columbia w/a 14L detroit. Im having problems with the fuel filter, Im only getting, if Im lucky, about 8000-9000 miles out of a filter. When it needs changed, it acts like its starving for fuel in the top end of the top three gears (8-9-10) no power, no acceleration. The fuel level in the cansiter is full, which tells me that the filter is plugged and not allowing the fuel to travel through the system. When I replace the filter, the fuel level will continue to rise till its full. Once it full, it continues to run fine, then it will start slowly, then finally start starving for fuel. The last time it was full, I ran it at least another 2k miles before it acted up.
This was a Ryder truck, Ive heard that Ryder and Penske both experimented with a bio diesel. I understand that bacteria grows easier in bio diesel than ultra low sulfer diesel. I do not and never have ran bio diesel. I do have some black material in the bottom of the tank, but nothing floating in the tank. I took the last filter apart, the element was black, I mean black. It was oily, not sticky. Ive been told if I do have a bacteria, it would look like black snot. I would not take it as black snot, never the less, I have been treating the fuel with a bio blast, used to treat a bacteria.
A mechanic told me if I still have problems, might need to rebuild the bottom of the fuel filter cansiter or change to a spin on system.
Also, Ive noticed the mpg going down, when all is good, I see mpg readings as high a 8mpg. When the filter is full only about 5 of 5.5 mpg.
I would like to get to the point where I change the filter at each service (12000 - 15000 mi) or more. Not having to change it in between services along the road.
I used to work of an LTL company and if I remember correctly, those fuel filters werent changed before about 20 or 25k.
Any input would be greatly appreciated.
Thanks !!!!!!! Be safe out there !!!!!!
2006 freightliner columbia 14L detroit / fuel filter problems
Discussion in 'Freightliner Forum' started by tknox, Feb 23, 2013.
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