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VW TDI fuel-pump flaw suspected by U.S. authorities

 VW TDI fuel-pump flaw suspected by U.S. authorities
2009 Volkswagen Jetta TDI

NHTSA is looking into loss of power and stalls in TDI variants of the Golf, Jetta and Audi A3 models

Some Volkswagen Group's TDI engines are under review by the NHTSA (National Highway Traffic Safety Administration) in the United States for suspected fuel-pump flaws.

Regulators began investigating the TDI engines that go into both VW and Audi brand vehicles after reports of engine stalls, some even occurring at highway speeds. Those reports include one accident and 160 complaints about loss of power and stalls lodged by vehicle owners and by VW itself.

According to the NHTSA website, those incidents are possibly related to failing high-pressure pumps that can contaminate the fuel system with debris. The website said that about half of the stalling incidends occurred at highway speeds with no restart of the engine.

The review will cover over 97,000 vehicles and includes the 2009 and 2010 model-year Jetta, Golf and Audi A3 with TDI clean-diesel technology.

The government body will conduct its own engineering analysis to assess whether a recall should be ordered.

"We take these matters very seriously and are cooperating fully with NHTSA during its investigation," said a U.S.-based VW spokesperson.

Source: Bloomberg

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Comments (17)

 DebbieFu DebbieFu
This high pressure fuel pump problem just occurred on our 2011 VW Jetta TDI wagon yesterday. It slowly stop on freeway, dealer told us it will be covered in original warranty. It has around 38000 miles now.
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January 4, 2013 1:35 am
 ve ve
techie69 seems to be vitroilic, perhaps on payroll of Big3 whoever they are or some copycat jap wheels. I've owned many many cars, from way back in time Brit rubbish to Asian which have cost as much as my VW's for service/parts and been no more "reliable" Anyway the shoddy fit and finish of Ford,GM Chrysler US made vehicles arguably indicates the average American motorists doesn't care. The biggest selling US made vehicle I understand is still the Ford F series pickup truck which says it all, eh ?
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February 24, 2011 9:37 pm
 ricer8 ricer8
All of you who are saying its "U.S. Diesel" I believe are propagating B.S. While high sulfur was present in U.S. fuel in the past, we are in an era of Global standards. The reason BMW, Audi and MB are bringing their diesels here is because the fuel now meets their standards. One reason for all the REPORTS coming out of the U.S. is we have a high level of documentation and investigation. Why do you think the world is clamering for the U.S. to solve the BIRD FLU problem that surely is much more of an issue in China and S.E. Asia.
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February 17, 2011 9:59 pm
 techie69 techie69
VW isn't number one yet and has already problems!? The truth is they been selling junk in Europe, 2nd & 3rd world nations forever. Its ok to have good handling cars, but quality aspects go beyond than driving characteristics of a vehicle. We cannot forgive the people's car now or down the road cause their management are worse than the Big3, cut corners to the extreme and their OEMs have a poor six-sigma quality control. Its thanks to NHTSA that poor quality doesn't fly in the States, all you get is penalized for your infringements! Of course there are dumb people who overlook if the quality holds up to the normal life-expectancy of vehicle.
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February 17, 2011 2:35 pm
 rho88 rho88
The problem in my opinion is not the diesel sold in USA or Canada, but the diesel engine itself. All car manufacturers have to develop a diesel engine/exhaust system that is unique to the North American market. The USA has tougher rules on exhaust emission then Europe. That is one reason why most car manufacturers are reluctant to sale diesel cars in the USA. You can verify this on the web. So I suspect that VW did something to their TDI engine to meet those emission standards and somehow it doesn't work. And why would anyone run 89 octane in a SAAB that was designed to use higher octane??? That's like putting regular fuel in a jet engine...
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February 17, 2011 2:27 am
 schizo schizo
We have similar problems with the Merc diesel engines where in Korea as well. The problem is always "blamed" on poor quality diesel available in some areas.
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February 16, 2011 10:59 pm
 B_M_Gearhead B_M_Gearhead
How come none of the U.S. diesel trucks have this problem? If it is so common here, as everybody seems to think, why have the manufacturers not done anything about this. If our fuel is different then they should anticipate this and engineer their systems accordingly. And don't use the excuse that their tech is any more complex because I think Ford has been using piezo injectors for a while with no problems that I know about. The only thing that the Euro diesels have that we dont is the Add Blue crutch, and that is all downstream after combustion takes place so fuel makes no difference. One more thing to point out, how many other countries have government funded agency's that keep track of these things? I know Europe does but how many others. This could be a global problem but it's coming to light here thanks to the bean counters.
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February 16, 2011 6:51 pm
 eddie eddie
Usa still has high sulfur diesel vs europe
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February 16, 2011 6:09 pm
 ZHPRegistryNet ZHPRegistryNet
Any of you that are fimiliar with BMW, will find this story somewhat relevant to the N54/N55 turbo engines utilizing a high-pressure fuel pump. They too fail with US Gasoline (not diesel in this case) at an undesired rate.
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February 16, 2011 6:05 pm
 SKDebisingh SKDebisingh
I was at my dealer the other day and saw a 2010 jetta sportswagen tdi getting a whole new fuel system. I think they said the repair was in the $2000 range... The tech told me that the tdis have this problem because of the diesel fuel in the area.
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February 16, 2011 5:09 pm
 cronan cronan
That it only occurs in the states..., hm... could it be that lowquality crap they call diesel?
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February 16, 2011 4:21 pm