My first TDI MPG update (400 mile trip)
04-30-2014, 10:56 AM
#11
AudiWorld Senior Member
I am so glad I am one of those guys that just pulls in and fills up not thinking of MPG's or the price. Doesn't matter if it is 60 cents or $6. You still gotta have it. Life is much more than MPG
Last edited by JBDinTX; 04-30-2014 at 11:24 AM.
04-30-2014, 12:15 PM
#13
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Join Date: Apr 2013
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If you have a VAG/COM cable, you can adjust the calculation factor from the standard 100 to 108.
AFAIK the factor of 108 is the most accrue. It matches my hand calculation with a margin of error in less than 3%.
I'm getting a combined of 29-30. City 22-25, highway (around 70 mph) 32-35.
AFAIK the factor of 108 is the most accrue. It matches my hand calculation with a margin of error in less than 3%.
I'm getting a combined of 29-30. City 22-25, highway (around 70 mph) 32-35.
04-30-2014, 12:23 PM
#14
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I think one of the fun parts of the TDI is enjoying the tidal wave of torque and then figuring out that you got 30MPG snapping your neck back.
04-30-2014, 01:44 PM
#15
Open control module "17 Instruments", go to "10 Adaptation", select channel to 03.
By default it's 100, change it to 108, save and commit.
If you have NOT done this before, ask someone who has done it before to do it for you. Sometimes the numbering and location of the modules are different.
By default it's 100, change it to 108, save and commit.
If you have NOT done this before, ask someone who has done it before to do it for you. Sometimes the numbering and location of the modules are different.
04-30-2014, 08:13 PM
#16
AudiWorld Expert
I echo others with about 10% optimism in the default trip computer on my TDI. Here you can see are my changes to get it as accurate as possible. Yesterday I changed it from 108 to 106 and will get 5 fill-ups at this setting to see where it averages. If it swings too high, then I'll go to 107...
and while at it, here are my real world (hand calculated) values:
One of those first (29-30 mpg) tanks included a 45 mile stretch that I was averaging 37.9 per the computer, which at the time was 10% optimistic:
and while at it, here are my real world (hand calculated) values:
One of those first (29-30 mpg) tanks included a 45 mile stretch that I was averaging 37.9 per the computer, which at the time was 10% optimistic:
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