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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 June 23rd, 2017, 05:15   #1
roni024
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Join Date: Mar 2007
Location: Syracuse, NY
Default Anecdote regarding exhaust flap

I thought I'd mention this here for anyone else whom may find it valuable:

I recently replaced my exhaust flap after attempts to clean and lubricate my faulty one failed. After doing so, my fuel economy appears to have increased considerably. My morning work commute previously averaged around 37 MPG, now it's in the low to mid 40s. For reference, my car has just over 125k miles.
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Old June 23rd, 2017, 07:19   #2
740GLE
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How long is your commute? the valve will help the engine get up to normal operating temps lot quicker.

BTW if you'd have bought my valve it would bump you up to 45MPG, guaranteed!
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Old June 23rd, 2017, 10:18   #3
roni024
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Quote:
Originally Posted by 740GLE View Post
How long is your commute? the valve will help the engine get up to normal operating temps lot quicker.
It's 10 miles total, the first two and last one are city - steady highway in the middle.

Quote:
Originally Posted by 740GLE View Post
BTW if you'd have bought my valve it would bump you up to 45MPG, guaranteed!
What was I thinking!? LOL
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Old June 23rd, 2017, 21:07   #4
jrm
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Location: Brightwood, Oregon
Fuel Economy: 42/52
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I could only wish, I'm not even to the freeway in 10 miles
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2013 Passat TDI SE+NAV 48MPG
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1985 VW idi 1.6 Golf 55MPG http://www.youtube.com/watch?v=yo-YUR1_DaU
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Old June 26th, 2017, 05:12   #5
740GLE
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Default

That short of a commute makes sens the valve would help you out.

On longer runs, 30+ you'd actually find your mileage to actually go up with out the valve.
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Hers: 2015 Passat SEL (NOS)
His: 2017 Alltrack SE, waiting for TSI to TDI conversion kits to be released.
Bought back 2010 Sedan, cog swapper, build date 07/09, BB 6/7/16. 2012 Passat, Roof+Nav, build date 05/12, BB 7/11
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