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VW Jetta TDI

3716 messages,  Last post on Dec 04, 2009 at 12:04 PM

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What is this discussion about? Volkswagen Jetta, Biodiesel, Diesel, Sedan


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#3143 of 3716
Low Sulfur instead of Ultra 2009 TDI by 2newonesfor09
Jul 13, 2009 (3:39 pm)
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Does anyone know if there is permanent damage if you get low sulfur for fuel in the new TDI. I'm in New York, and they don't always label the pumps. (like whats 40 rating). I put a tank of LSD not ULSD. Car runs, no problem, but is there long term problems. Won't make this mistake again, found a station with proper labels, but a little more expensive.
#3144 of 3716
Re: Low Sulfur instead of Ultra 2009 TDI [2newonesfor09] by gagrice
Jul 13, 2009 (4:52 pm)
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Replying to: 2newonesfor09 (Jul 13, 2009 3:39 pm)

The 40 could be the cetane rating. I think I would add a little power service. The higher sulfur can be an issue. I doubt it will cause you any grief. LSD is supposedly 30 PPM vs 15 PPM for ULSD. When most diesel sold for years was 500 PPM or more. Look for a high cetane number. That will make a difference in the way your TDI performs.
#3145 of 3716
LSD by moparbad
Jul 13, 2009 (8:14 pm)
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LSD is still allowed to contain up to 500 ppm sulfur.
#3146 of 3716
Re: LSD [moparbad] by gagrice
Jul 14, 2009 (5:16 am)
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Replying to: moparbad (Jul 13, 2009 8:14 pm)

You are right. I was reading about BP LSD being 30 PPM and thought that was the limit. CA mandated 130 PPM diesel some years back. The biggest problem with using anything but ULSD in a new VW TDI would be the emissions system could be damaged by the sulfur.
 
When I bought my Passat TDI in 2005, I was able to find ARCO stations that only sold ULSD in CA. It ran great for the 8000 miles I kept it.
#3147 of 3716
Re: LSD [gagrice] by ruking1
Jul 14, 2009 (6:38 am)
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Replying to: gagrice (Jul 14, 2009 5:16 am)

To cut to the chase, the DPF regeneration phase should take care of the "increased soot" issue.
 
The Diesel Particulate Filter (DPF)
What is it?

 
I can not speak for the 2009, as I totally researched about (15-5 ppm) ULSD and the most likely damage would be to the (very expensive) DPF. On the road, I once put a B5 Chevron tank full, but I will stay with ULSD D2.
 
Overall, it is way too new to tell and while there have been incidences of "mis fueling" (LSD) none have had LSD steady diets. Moreover, there have been no 2009 TDI LSD damage reports.
 
Off topic, there has been RUG to PUG, D2 mixture damage reports. So... do NOT try this at home !!!
 
The 2003 TDI was designed for ULSD (15-5 ppm) but (mine) was run most of its operating life on LSD ( 130 ppm CA & 500 ppm 49 state) (till Oct 2006 to present- ULSD)
 
The EPA and CARBs even as they professed lesser emissions, controlled it to tactically FORCE.... MORE emissions.)
 
100,000 miles the TB/WP change was due so of course took the opportunity to look at and possibly CLEAN/change out the intake manifold and clean the EGR. The guru pronounced both good to go (to 200k or next 100k interval) The camshaft original tool markings was also GOOD news !!! For all intent and purposes I can tell no (SOTP) difference/s between LSD (both CA/49 state) and ULSD (15-5 ppm)
 
Diesel ON !!
#3148 of 3716
Re: LSD [ruking1] by longo2
Jul 14, 2009 (7:06 am)
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Replying to: ruking1 (Jul 14, 2009 6:38 am)

" took the opportunity to look at and possibly CLEAN/change out the intake manifold and clean the EGR. The guru pronounced both good to go (to 200k or next 100k interval) The camshaft original tool markings was also GOOD news !!! "
 
So you have been burning LSD or worse for the past 100,000 miles and your engine is still squeeky clean?
 
That seems to fly in the face of those with gunked up manifolds and frozen turbos. The common diagnosis has always been that the high sulfer fuel was the culprit.
 
What's your system for avoiding that huge problem that some diesels have?
#3149 of 3716
Re: LSD [longo2] by ruking1
Jul 14, 2009 (7:17 am)
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Replying to: longo2 (Jul 14, 2009 7:06 am)

Yes. At the time (early 2003), that was the worst fear &/or scenario.
 
The "preventative"procedure: drive the turbo diesel as designed. (aka, slightly more aggressively I can get ultra specific, if it doesn't bore anybody) The spin off:.... let the mileage fall where it may.
#3150 of 3716
Re: Loss of Power but no MIL [bpeebles] by danstdi
Jul 14, 2009 (11:58 am)
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Replying to: bpeebles (Jul 06, 2009 5:12 pm)

Just an update after my visit with the mechanic. Went to a private shop that specializes in VW as opposed to the dealer.
 
It turns out my problem was an almost totally blocked intake manifold (they showed me the gunked up manifold) - could hardly get my small pinky finger through!. They removed the intake, steamed cleaned it, replaced the EGR valve and the mass air flow sensor. They checked the VNT actuator and nothing was wrong with it. The work came to about $700 Canadian - not bad - it was less than I would have expected at the dealer. Forgot how poweful my car was as I got used to the loss of power for the last couple of months! It is nice to easily accererate up hills again.
#3151 of 3716
Re: Loss of Power but no MIL [danstdi] by ruking1
Jul 14, 2009 (12:18 pm)
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Replying to: danstdi (Jul 14, 2009 11:58 am)

Corrective action: Thanks for detailing the "corrective action".
 
Thanks to the (American) EPA and CARBS for the needed but unnecessary cleaning !!
#3152 of 3716
Re: Loss of Power but no MIL [ruking1] by longo2
Jul 14, 2009 (8:40 pm)
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Replying to: ruking1 (Jul 14, 2009 12:18 pm)

Seems the old gunky goo will get ya'.
 
 On a lighter note, here's a VW video that I think you'll get a blast out of...literally.
 
http://www.youtube.com/watch?v=oet4qWeZuYA&eurl=http://www.errachidia.org/video/- video-tdi-2-oet4qWeZuYA.html

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