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VW Jetta TDI

3739 messages,  Last post on Dec 05, 2009 at 9:02 PM

You are in the Volkswagen Jetta Forum. Your Hosts are pat & karens

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


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#3077 of 3739
New TDI by mike91326
Jun 28, 2009 (6:59 pm)
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I just got a new Jetta TDI sedan with DSG. Since this is my first diesel I want to break it in right. How should I drive it over the next 1000 miles to get the best results?
#3078 of 3739
Re: new car purchase [m6user] by ruking1
Jun 28, 2009 (7:06 pm)
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Replying to: m6user (Jun 28, 2009 6:12 pm)

Not an issue, then use 33/34 mpg. It is STILL 42% better !!!! ???
 
I get an average of 42/43 (79%) and I am NO hyper miler. Indeed the thing will not be broken in for least another 3,000 miles, with 10,000 to 60,000 miles "full" break in. So there is an expectation the mpg will go up from there.
#3079 of 3739
Re: New TDI [mike91326] by ruking1
Jun 28, 2009 (7:07 pm)
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Replying to: mike91326 (Jun 28, 2009 6:59 pm)

You may want to re-think break in to a MINIMUM of 10,000 miles. Full break in more like 10,000 to 60,000 miles.
 
Break-In Period
#3080 of 3739
diesel power service by ndmike88
Jun 29, 2009 (3:30 am)
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Anyone use it? Does it really help with the TDI performance? I know it boosts the cetane in the diesel fuel but does it really work? Is it VW approved?
#3081 of 3739
Re: New TDI [mike91326] by cosmo
Jun 29, 2009 (5:08 am)
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Replying to: mike91326 (Jun 28, 2009 6:59 pm)

ruking1's link is right on. A no-brainer method is to drive in sport mode for the first 5K. Do not go on any long freeway cruises and do not concern yourself with fuel mileage during the first 5K.
#3082 of 3739
Re: diesel power service [ndmike88] by jogousa
Jun 29, 2009 (5:17 am)
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Replying to: ndmike88 (Jun 29, 2009 3:30 am)

anyone use what Mike?
#3083 of 3739
Re: diesel power service [ndmike88] by ruking1
Jun 29, 2009 (5:34 am)
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Replying to: ndmike88 (Jun 29, 2009 3:30 am)

Yes. It is supposed to help with TDI performance. After 125,000 miles, I can tell no difference.
I do use it primarily for:
1. H20 emulsification
2. fuel pump lubricity
 
These are all chemical reasons I can NOT see.
 
3. It does boost the cetane,
 
4. boosts power
 
5. offers high detergency
 
6. better mpg
 
7. cleans injectors and combustion system
 
but I really have to take their word for it.
 
VW's official recommendation: no additves are necessary or required.
#3084 of 3739
Re: new car purchase [longo2] by tdifun
Jun 29, 2009 (6:41 am)
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Replying to: longo2 (Jun 26, 2009 5:46 pm)

I got my Gray DSG TDI jetta from Fitzmall for $20,992. Paided for shipping and was still thousands under what my local dealership could/would do.
#3085 of 3739
Re: new car purchase [mikemartin] by jim1977
Jun 29, 2009 (6:44 am)
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Replying to: mikemartin (Jun 27, 2009 7:10 pm)

Now you have me worried. I don' want to add a rumor onto a rumor, since we don't really know if they will go the urea system route in 2010, but I also find it hard to believe that it is due to fuel economy. I am wondering if it is due to a maintenance problem with the DPF? I know that they delayed the introduction of the 2009 models (or was it 2008?) for several months until they worked out bugs in meeting the U.S. emission requirements, though nobody ever detailed what those were.
 
I was on the verge (or so I thought) of buying a 2009 TDI, but don't want to be orphaned with a long-term maintenance problem. Maybe it is all a bad dream and doesn't really amount to anything.
#3086 of 3739
Re: new car purchase [jim1977] by ruking1
Jun 29, 2009 (6:48 am)
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Replying to: jim1977 (Jun 29, 2009 6:44 am)

On www.tdiclub.com there has literally been ZERO defects on the 09 DPF. There are pretty strong recommendations to use low SAPS motor oil. aka (VW specifications 504/507)

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