Low sulfur and additives
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Freshman User
Joined: Feb 2007
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Low sulfur and additives
I've been hearing a bit about low sulfur fuels causing problems with fuel pumps and systems. I recently had to replace my fuel pump. Not sure its related to low sulfur but I was wondering, whats the story behind low sulfur, besides environmental issues, and what kind of additives do you use in your trucks to compensate?
I have a 2000 E-350 PS with 70,000 miles on it. I've had my share of problems and would like to avoid any more that can be prevented.
Any advice?
I have a 2000 E-350 PS with 70,000 miles on it. I've had my share of problems and would like to avoid any more that can be prevented.
Any advice?
Posting Guru
Joined: Jun 2006
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When we first started running diesels in the eighties we jumped on the use "fuel conditioner band wagon" and had some issues. We decided at that time we would quit running the additives until such time as we had trouble not running them. Twenty years later we still have not had problems by not running fuel additives and we have no intention of starting to use them now.
Cargo Master
Joined: Jan 2006
Posts: 3,010
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From: SE. MA
i like to go with the advise of the guys that work on the motors.... they say an additive helps, so i run one i have since 95 miles. i use diesel kleen, white/grey depending on weather , just cleaned my egr today? y ? i dont know it wasnt even that dirty and ive got 23k on the clock.... i think its worth it but thats my opinion?
Posting Guru
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The only problems you're likely to see are seal related and that's on older diesels. Back in the early 90's when sulfur content was cut back to 500 ppm, Cummins had a ton of problems with their PT pumps and seals. The whole industry took notice and began using a compatible seal material. Now that ULSD is at 15 ppm, the only problems I've seen are related to the fuel acting as a solvent and breaking down the asphatine that builds up on worn injectors/nozzles. This may cause a problem with premature filter plugging, but is only temporary. The oil companies are already using lubricity additives in the ULSD, so adding more is only wasting money.
Last edited by rob_nc; Apr 12, 2007 at 10:21 AM.
Lead Driver
Joined: Jan 2005
Posts: 7,782
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From: Huntington Indiana
I've been using B5 biodiesel fuel for about 7 years now and when I'm on the road and have to get #2 I notice a lower HP and more noise from the engine. I use it also on the farm and have had great results. I have older diesels also from a 1967 IH806 tractor to a older semi which all like the fuel I purchase.
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I'm not trying to beat a dead horse, but I dredged this up only because I had to replace my fuel pump with only 70,000 miles on it, so I was curious to know whether other people had experienced any fuel problems that might be tied to low sulfur.
I've had my share of repair bills and just can't afford to take chances. LOL
I've had my share of repair bills and just can't afford to take chances. LOL
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Posting Guru
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Originally Posted by Mercx
I'm not trying to beat a dead horse, but I dredged this up only because I had to replace my fuel pump with only 70,000 miles on it, so I was curious to know whether other people had experienced any fuel problems that might be tied to low sulfur.
I've had my share of repair bills and just can't afford to take chances. LOL
I've had my share of repair bills and just can't afford to take chances. LOL
Junior User
Joined: Oct 2006
Posts: 72
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From: Escondido, Ca.
It might be that there was dirt in the fuel prior to reaching the pump, and that could have contributed to early failure. People tend to blame the low sulfer fuel. I just installed a Fleetgard fuel/water separator with additive tablets which automatically release an additive into the fuel stream before the fuel pump. This will assure the pump gets good clean fuel while adding lubricity to the whole system. This was recommended to me by a diesel fuel injection service that deals with these problems everyday. Just something to think about. You can check it out on Fleetgards website, the filter is listed as FS20000.
