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VW Touareg TDIs This is a general discussion about Touareg TDIs. Non TDI related postings will be moved or removed.

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Old September 11th, 2019, 15:01   #1
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Location: Eastern Washington
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Default TDI CEL Alerts

How many of the TDI owners are experiencing the O2 sensor alert over & over again?
Is it really worth it for me to continue to pursue getting either a Audi Q5, Porsche Cayenne diesel or a VW Touareg TDI?

I've read that a lot of TDI owners spend a few days every couple weeks in the shop to correct the CEL's that keep getting thrown up on the vehicles.

I'm really hoping that the TDI owners that experience no problems or very little are of the majority and overshadow the negative reported problems.
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Old September 11th, 2019, 16:58   #2
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Our 14 Treg was fixed just under 2 yrs ago. We've had our 14 A6 just over a year (fixed when we got it). Zero CELs, zero "fix" related issues for either one. I scan both of them several times a year with VCDS. There's two data points for you.
14 Touareg TDI; 14 A6 TDI
No longer in the driveway: 03 NB TDI, 04 Jetta GL TDI, 05 Passat GLS TDI, 09 Touareg Lux TDI

Last edited by Tom_B; September 11th, 2019 at 17:00.
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Old September 11th, 2019, 18:52   #3
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Join Date: May 2003
Location: SW Wash. USA
Fuel Economy: ~53 mpg on Golf (sold)

I have no O2 sensor on my '04 V8 - therefore no CELs have occurred based on this (or any other) cause. You might want to refine your question a little.
2004 Touareg V10 TDI Colorado Red
Blk 2000 Golf 5spd 2-dr (now grandsons)
Sand Biege 2008 Mercedes GL320 CDI (wife's)
'83 Mitsubishi 4X4 PU(2.3L turbodiesel)
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Old September 11th, 2019, 19:57   #4
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Default TDI CEL Alerts

The frequent O2 sensor failures are associated with some vehicles in the Passenger Car subcategory of the 3.0 L settlement. For owners of Q5, A6, A7, and A8 models, a new service action was recently rolled out to replace and reposition the DPF and O2 sensors. It remains to be seen if this action will work.

You posted this in the Touareg area, which is not in the PC subgroup and has a different fix. I donít believe any of the SUVís have had commonly recurring O2 sensor issues across many vehicles.

I have a fixed Q5 that has not thrown a single code and has been problem free, knock on wood. At some point Iíll have the service action done. Only a few have had it performed thus far.
Try not to be one of the ďsome of the people who are fooled all of the time.Ē
2015 Q5 TDI w/ Chipwerke tuner, 43K Miles. Post fix MPG: 34.0
2015 Golf TDI SE, Lighting Package, 25K miles
2011 Touareg TDI (sold back, May 2018); 2015 Golf TDI S (totaled, Oct 2018)
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Old September 11th, 2019, 21:25   #5
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Thank you all for your input. The O2 sensor failures I was referring to was in fact on the Q5. I was reading about this on a Audi forum and there were several owners that spoke of repeated trip to the dealer for the alerts.

The last thing anyone wants is to spend countless hours at a dealership for repeated repairs or even the dreaded drop off and only to realize that it will be a week or longer before you get your vehicle back.
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Old September 12th, 2019, 03:41   #6
showdown 42
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2016 TREG TDI fixed last yr New car never registered,Zero issues so far,8000 miles on the clock.
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