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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old October 12th, 2017, 10:56   #1
leocat66
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Join Date: Sep 2012
Location: Slidell, LA. USA
Angry Emissions Modifications Results suck

Our 2013 Passat has had the Emissions Modifications installed. What a disappointment. We expected some minor issues as described in the notice from VW. Our car, 60k, now sounds like our '99 which has 300,000 on the clock. Hesitation issues abound and it is now necessary to start off from a stop in S mode and not shifting into D until around 20 mph. Someone will ultimately be killed due to the hesitation issue. Our '06 Jetta has much more performance. When the issues were presented to the dealer they could not care less.

Anyone else having similar issues?
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Old October 12th, 2017, 16:36   #2
dak503
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When i had the modification done on my passat i had the same problem. It was so bad even my wife noticed it and she doesn't notice much when it comes to cars. But now if i hit the gas pedal to aggressively the tires chirp. It seems to have more power off the line than before. I think the car needs some time to relearn everything. I hope that is your problem drive it for a bit and see if it gets better. Hopefully that all it is.
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Old October 12th, 2017, 21:32   #3
jrm
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Join Date: Jul 2013
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Fuel Economy: 42/52
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yup, Emissions comes first- been this way to some extent since 2008- mine is also delayed- if you mash it to the floor there is a good solid 2 seconds of nothing, just idles then at that 2 second mark it comes to life and will spin the tires, so plan ahead when pulling out across busy lanes of traffic on those left handers But to be honest, my dodge ram diesel is 10 fold worse, randomly it disconnects from the pedal sensor and I can leave it stomped for 30 seconds as it just idles and speeds drop to a stop when pulling a travel trailer- called dead pedal and extremely common. We all know the fix. $2K and a trip to mexico to make some parts fall off
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Old October 13th, 2017, 04:44   #4
Rico567
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Quote:
Originally Posted by leocat66 View Post
Our 2013 Passat has had the Emissions Modifications installed. What a disappointment. We expected some minor issues as described in the notice from VW. Our car, 60k, now sounds like our '99 which has 300,000 on the clock. Hesitation issues abound and it is now necessary to start off from a stop in S mode and not shifting into D until around 20 mph. Someone will ultimately be killed due to the hesitation issue. Our '06 Jetta has much more performance. When the issues were presented to the dealer they could not care less.

Anyone else having similar issues?
If you can't get these problems to go away, you may be eligible to switch to the buyback. Our '13 Passat doesn't have them, because we're not even thinking about the fix. Doing the buyback late next year.
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Old October 13th, 2017, 19:36   #5
bustNfuel
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Mine is a '13 with 64K miles.
After the emissions update, I never really noticed any changes in the power delivery, sound, nor the way the DSG operates. It always seemed to be somewhat hesitant between brake release and actually moving away from a stop which is annoying. Not enough for me to consider it unsafe. I had to learn the DSG's idiosyncrasies compared to driving with a torque-converter automatic when I first started driving it. So to recap, thankfully mine did not exhibit any noticeable changes after the emissions mod.

Give it time. Probably a tank-full to see if it's returned to normal..'re-learned'.
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Old October 16th, 2017, 07:28   #6
roni024
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Quote:
Originally Posted by Rico567 View Post
If you can't get these problems to go away, you may be eligible to switch to the buyback.
Where did you get this information from?
I've been holding off on both the fix and buyback to extend my "free" driving time, but if what you say is true, I may want to get the fix sooner to be able to determine any problems associated with it before the Dec 2018 deadline. As it stands now, I'm leaning toward the fix.
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Old October 16th, 2017, 07:59   #7
740GLE
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From my knowledge soon as you get the "fix" and VW states you're car is "operating as designed", buy back is off the table.

Now i'd be up to each person and dealer to determine "operate as designed", somehow I think an owner could scream until their are blue in the face and VWoA would stand their ground, and then the dealer would probably low ball an offer for a trade out of good faith.
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Old October 16th, 2017, 16:47   #8
06bluebeetletdi
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How many miles since modification? Are you more city or highway driving? I am at 1800 miles with my passat, 90% at 70 mph, it seems plenty peppy and fun to drive, i dont notice any difference other than increased regens.
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Old October 18th, 2017, 07:16   #9
leocat66
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Quote:
Originally Posted by 06bluebeetletdi View Post
How many miles since modification? Are you more city or highway driving? I am at 1800 miles with my passat, 90% at 70 mph, it seems plenty peppy and fun to drive, i dont notice any difference other than increased regens.
Modification was made in late August. 1400 miles since modification.
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Old October 18th, 2017, 07:21   #10
leocat66
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Has anyone tried the options offered by KERMA TDI. Seems that they offer options to improve performance and noise issues on all TDI vehicles, relating to emissions either before or after modifications. If what they say is half true, it is awesome.
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Old October 18th, 2017, 10:55   #11
Owain@malonetuning
 
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Both Kerma and Malone have been tuning these vehicles for quite some time, should have no problem there. Mark has considerable experience with the bosch EDC17 ECUs found in most of the newer diesels, we tune pretty well every diesel coming out of Europe at this point.
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Old Today, 19:20   #12
jrm
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I have noticed that after the update that cold weather really causes this thing to drink fuel, in cold EGT temps dip down to 400F in rain, then the engine changes pitch and instant fuel MPG drops by 5mpg and the EGT's spike up to 950F
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2013 Passat TDI SE+NAV 48MPG
2001 Honda civic 40MPG
1985 VW idi 1.6 Golf 55MPG http://www.youtube.com/watch?v=yo-YUR1_DaU
1996 Dodge mechanical Cummins 12V 2500 4x4 that gets 20MPG
1990 Toyota xcab 4x4 3.0 v6 (3.slow) 15MPG
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