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Go Back   TDIClub Forums > VW TDI Discussion Areas > Dieselgate - VW Group Emission Scandal

Dieselgate - VW Group Emission Scandal Discussion around the VW Dieselgate Emissions scandal. Details and news updates can be viewed here: http://forums.tdiclub.com/showthread.php?goto=newpost&t=448336 This forum is a work in progress depending on requirements, usage, etc.

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Old January 18th, 2018, 10:05   #1
DieselQ5
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Join Date: Jan 2018
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Default 2014 Q5 post-fix impression

I had my '14 Q5 fixed on Monday 1/15. I could not tell one difference in my car's performance after the fix. I took it on the highway and saw no difference driving 70-80mph. I saw no difference when leaving stoplights and no difference when passing, braking or anywhere else I can think to mention. An updated fuel economy sheet was left on my passenger seat and now rates the car at 26 HWY 23 City. For the $9,500 I got from the scandal I can live with that.
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Old January 18th, 2018, 10:11   #2
psd1
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Wow, only 26 for the new highway MPG, what was it before?
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Old January 18th, 2018, 12:03   #3
Q5TDI
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Quote:
Originally Posted by psd1 View Post
Wow, only 26 for the new highway MPG, what was it before?
For Premium Plus:
24 city / 31 highway
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Old January 18th, 2018, 12:15   #4
psd1
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Quote:
Originally Posted by Q5TDI View Post
For Premium Plus:
24 city / 31 highway
I'm pretty certain there isn't an MPG difference between sub models.

Still curious on the OP's claim that 26 is the (new) Hwy MPG.
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Old January 18th, 2018, 12:19   #5
BarryT82
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26 was combined I think.
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Old January 18th, 2018, 12:40   #6
DennisMitchell
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Per EPA site revised Q5 TDI MPG are 23 City, 30 Highway and 26 Combined.

https://www.fueleconomy.gov/feg/Powe...Q5&srchtyp=ymm
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Old January 18th, 2018, 15:45   #7
Q5TDI
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Originally Posted by DennisMitchell View Post
Per EPA site revised Q5 TDI MPG are 23 City, 30 Highway and 26 Combined.

https://www.fueleconomy.gov/feg/Powe...Q5&srchtyp=ymm
Down 1 mpg seems like no big deal.
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Old January 18th, 2018, 16:09   #8
psd1
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Originally Posted by Q5TDI View Post
Down 1 mpg seems like no big deal.
For sure, unless a guy was getting +2 or 3 MPG before...
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Old January 18th, 2018, 16:47   #9
Gumbus1514
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Just got my 14 Q5 back Tuesday. Engine seems fine but the transmission sucks. ~3 mile drive out of the neighborhood. 30ish mph was 1000-1200 rpm. Same speed is now 1900 rpm with lots of extra noise. Pedestrians, cyclists, and the greens keeping crew are all looking at me like I am some kind of deviant. I have even tried to manually take the higher gear but it is locked out. This is probably not something that is going to resolve itself through the adaptive logic. They let the politicians, beauracrats, lawyers, and the other slime wreck our cars.
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Old January 18th, 2018, 18:52   #10
RebelTDI
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The higher rpms are to get the emissions components up to temp quicker. Question is, once it's up to normal operating temp, are the rpms back down to 1200?
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Old January 18th, 2018, 20:18   #11
DieselQ5
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Quote:
Originally Posted by BarryT82 View Post
26 was combined I think.
My mistake, you are correct. 26 combined, 30 hwy and 23 city
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Old January 18th, 2018, 20:25   #12
DieselQ5
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Quote:
Originally Posted by Gumbus1514 View Post
Just got my 14 Q5 back Tuesday. Engine seems fine but the transmission sucks. ~3 mile drive out of the neighborhood. 30ish mph was 1000-1200 rpm. Same speed is now 1900 rpm with lots of extra noise. Pedestrians, cyclists, and the greens keeping crew are all looking at me like I am some kind of deviant. I have even tried to manually take the higher gear but it is locked out. This is probably not something that is going to resolve itself through the adaptive logic. They let the politicians, beauracrats, lawyers, and the other slime wreck our cars.
I've read other people experiencing your issues and that is why I shared mine. Seems like a split between yours and my results. I have always driven my car pretty hard, I just love the torque. Maybe my driving style kept the car more aggressive. I have no other way to explain that my car has not changed its behavior at all.

Last edited by DieselQ5; January 18th, 2018 at 20:28.
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Old January 19th, 2018, 03:03   #13
Q5TDI
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Quote:
Originally Posted by DieselQ5 View Post
I've read other people experiencing your issues and that is why I shared mine. Seems like a split between yours and my results. I have always driven my car pretty hard, I just love the torque. Maybe my driving style kept the car more aggressive. I have no other way to explain that my car has not changed its behavior at all.
What is your altitude where you are at in Arizona?
Read something in the booklet that engine performance may depend on altitude. We travel quite a bit to Sedona, where it is about 4500. The other guy is in Florida. The highest altitude in Florida is 345 feet. However, that does not seem to make sense, because the rpms should be higher at a "high" altitude, whatever that means.

Here is what the booklet says:
Engine sound may differ somewhat from your vehicle's prior
operation. There might be a difference in combustion noise from
the engine that may be noticeable during vehicle warm-up. The
potential change in sound will not result in any noticeable
changes to the driving characteristics of your vehicle.

Shift Patterns - The shifting behavior has been adapted to run
with slightly higher engine speeds during vehicle warm-up and
when driving at high altitudes.
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Old January 19th, 2018, 09:40   #14
DieselQ5
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Quote:
Originally Posted by Q5TDI View Post
What is your altitude where you are at in Arizona?
Read something in the booklet that engine performance may depend on altitude. We travel quite a bit to Sedona, where it is about 4500. The other guy is in Florida. The highest altitude in Florida is 345 feet. However, that does not seem to make sense, because the rpms should be higher at a "high" altitude, whatever that means.

Here is what the booklet says:
Engine sound may differ somewhat from your vehicle's prior
operation. There might be a difference in combustion noise from
the engine that may be noticeable during vehicle warm-up. The
potential change in sound will not result in any noticeable
changes to the driving characteristics of your vehicle.

Shift Patterns - The shifting behavior has been adapted to run
with slightly higher engine speeds during vehicle warm-up and
when driving at high altitudes.
I am in Phoenix and we are at 1000' elevation. My car was warm when I picked it up so I don't have any experience with any extra noise during warmup. Thanks for pointing that out. If I notice any different noise the next time I drive it I will comment here.
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Old January 19th, 2018, 10:35   #15
bhuizer
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My Touareg does the same thing during warm-up. It's the most annoying part about the fix. However, once everything is up to temp after a few miles the shifting patterns go back to normal.

Also, just because your coolant temp gauge says 200 degrees, doesn't mean the exhaust components are at the correct temp. So the warm-up shifting pattern can occur anytime the exhaust components have cooled off. This is just what I've noticed in the below-zero Iowa temps the last few weeks. EGR needs high exhaust temps to do it's thing, idling or low load situations don't create much heat with these engines.

Last edited by bhuizer; January 19th, 2018 at 10:39.
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