Diesel fuel sulfur change. How does this affect older diesels?
08-04-2007, 04:37 PM
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Diesel fuel sulfur change. How does this affect older diesels?
With 80% of diesel fuel now at 15 ppm of sulfur, (vs 500 PPM) how will this affect the engine/fuel system of an older diesels? What about an 05/06 CDI that was running on "old" diesel and now has a much lower sulfur content?
Are additives needed? Any issues regarding?
Are additives needed? Any issues regarding?
08-04-2007, 06:37 PM
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2011 E550, 2013 GLK
I have a friend who has an '87 Mercedes Turbo diesel and he says it runs better on the new fuel. The older diesels use injection pumps that are lubricated by engine oil so they don't rely on the fuel to lubricate them like diesels that have the rotary style injection pumps.
As for the new CDI's, they were designed to run on low sulfur diesel fuel which is what's been available in Europe for a long time.
As for the new CDI's, they were designed to run on low sulfur diesel fuel which is what's been available in Europe for a long time.
08-04-2007, 08:06 PM
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ZERO problems for '05-'06 E320CDI.
Others are not relevant to the W211 forum (but problems will also be zero).
Sulphur is a contaminant and not something you ever needed.
Others are not relevant to the W211 forum (but problems will also be zero).
Sulphur is a contaminant and not something you ever needed.
08-07-2007, 08:01 AM
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Sulfur changes
Don't forget that diesel fuel has historically played a role in the lubrication of this type of engine; the higher sulfur component in what was standard US diesel plays a key role in engine lubrication. It remains to be seen if new diesel engines [or older ones] continue their famous longevity with the radically lower sulfur content in the fuel.
Hope there is no change, but it would seem there would be a significant reduction in diesel engine life with this new fuel.
Hope there is no change, but it would seem there would be a significant reduction in diesel engine life with this new fuel.
08-07-2007, 12:59 PM
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03 E500 and Corvette
Don't forget that diesel fuel has historically played a role in the lubrication of this type of engine; the higher sulfur component in what was standard US diesel plays a key role in engine lubrication. It remains to be seen if new diesel engines [or older ones] continue their famous longevity with the radically lower sulfur content in the fuel.
Hope there is no change, but it would seem there would be a significant reduction in diesel engine life with this new fuel.
Hope there is no change, but it would seem there would be a significant reduction in diesel engine life with this new fuel.
08-07-2007, 07:17 PM
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ULSD meets required lubricity standards.
100% of the supposed negatives are wives' tales and tales concocted by folks trying to sell additives.
100% of the supposed negatives are wives' tales and tales concocted by folks trying to sell additives.
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08-08-2007, 02:10 AM
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'05 E320 CDI, '07 VW Touareg V10 TDI, 2007 Porsche GT3
LSD = mucho "smoke" (i.e., soot) and noisier operation.
ULSD = less or no "smoke" and less diesel clatter.
A no-brainer, AFAIC. I was REALLY pleased tonight to see that our corner Shell station has FINALLY labelled its diesel pumps as dispensing ULSD!
BTW, we are now a 2/3 Diesel family: See signature.
ULSD = less or no "smoke" and less diesel clatter.
A no-brainer, AFAIC. I was REALLY pleased tonight to see that our corner Shell station has FINALLY labelled its diesel pumps as dispensing ULSD!
BTW, we are now a 2/3 Diesel family: See signature.
