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-   -   Fuel system woes...? (https://www.classadrivers.com/forum/truck-maintenance/21444-fuel-system-woes.html)

bob h 10-18-2006 12:34 PM

Fuel system woes...?
 
Is anybody hearing of any recent (last couple of months) rise in fuel system problems; fuel injectors, fuel pumps, regulators, filters plugging, etc.???

Bobby 04-08-2007 02:41 AM

I haven't heard of any in SoCal.

yoopr 04-08-2007 04:53 AM

I know there's a reason for the question Bob.
What are you seeing?

bob h 04-08-2007 05:12 AM


Originally Posted by yoopr
I know there's a reason for the question Bob.
What are you seeing?


actually, i'm not expecting any problems, that's why i've asked

'07 ULSD fuels have a lubricity specification added which should take care of the problems associated with low sulfur diesel back in '94

allan5oh 04-08-2007 06:06 AM

I've heard on the east coast of problems with water in the fuel, whether or not that's related I have no idea. It seems everyones fears were premature. Also, this fuel almost totally eliminates sulphuric acid.

Larry Heyns 04-08-2007 06:21 AM

Plugged Filter
 
The filter plugged on my Ryder leased truck a couple of months ago. I assumed the new ULSD was cleaning the varnish out of the storage tanks and truck fuel systems. Ryder assumed my problem was caused by always fueling at Flying J. Prior to the recent incident, I have not had filter problems since the 1970s.

bob h 04-10-2007 10:09 AM

Re: Plugged Filter
 

Originally Posted by Larry Heyns
The filter plugged on my Ryder leased truck a couple of months ago. I assumed the new ULSD was cleaning the varnish out of the storage tanks and truck fuel systems. Ryder assumed my problem was caused by always fueling at Flying J. Prior to the recent incident, I have not had filter problems since the 1970s.


that sounds more like an issue associated with bio-diesel

Larry Heyns 04-10-2007 10:21 AM

Re: Plugged Filter
 

Originally Posted by bob h

Originally Posted by Larry Heyns
The filter plugged on my Ryder leased truck a couple of months ago. I assumed the new ULSD was cleaning the varnish out of the storage tanks and truck fuel systems. Ryder assumed my problem was caused by always fueling at Flying J. Prior to the recent incident, I have not had filter problems since the 1970s.


that sounds more like an issue associated with bio-diesel

The following is from an article by Larry Kahaner in Fleet Owner Magazine (June 1, 2006).

"Engine and vehicle manufacturers expect ULSD to be fully compatible with the existing fleet, including 2006 and earlier model year vehicles. In some instances, however, the introduction of ULSD fuel to older vehicles may affect fuel system components or loosen deposits in fuel tanks. As part of a good maintenance program, owners and operators of existing trucks and buses are encouraged to monitor their diesel-powered vehicles closely for potential fuel system leaks or premature fuel filter plugging during the changeover to ULSD fuel."

bob h 04-10-2007 12:59 PM

Re: Plugged Filter
 

Originally Posted by Larry Heyns

Originally Posted by bob h

Originally Posted by Larry Heyns
The filter plugged on my Ryder leased truck a couple of months ago. I assumed the new ULSD was cleaning the varnish out of the storage tanks and truck fuel systems. Ryder assumed my problem was caused by always fueling at Flying J. Prior to the recent incident, I have not had filter problems since the 1970s.


that sounds more like an issue associated with bio-diesel

The following is from an article by Larry Kahaner in Fleet Owner Magazine (June 1, 2006).

"Engine and vehicle manufacturers expect ULSD to be fully compatible with the existing fleet, including 2006 and earlier model year vehicles. In some instances, however, the introduction of ULSD fuel to older vehicles may affect fuel system components or loosen deposits in fuel tanks. As part of a good maintenance program, owners and operators of existing trucks and buses are encouraged to monitor their diesel-powered vehicles closely for potential fuel system leaks or premature fuel filter plugging during the changeover to ULSD fuel."

interesting, but this was written before ulsd hit the street...


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