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TDI Fuel Economy Discussions about increasing the fuel economy of your TDI engine. Non TDI related postings will be moved or removed.

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Old August 27th, 2008, 17:36   #151
IndigoBlueWagon
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That's very impressive. I could never drive that slowly. However, it's still amazing when I go 400+ miles before the gauge moves, even driving at 75-80 on the highway. My son did around town trips in the car for six weeks before needing fuel.
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Old August 27th, 2008, 20:56   #152
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Smile Welcome to the party!

Maybe a little late to the party, but we're always glad to have more help keeping it going!

Yup, gotta love 'em. Have had mine 2 years this month and driven it 30K. Have done several 1000+ mile tanks.

Just drove it (with all 4 of us and all our luggage) from north-east TN to central PA (500 mi). Stuffed it full in Bristol (right on the TN/VA state line) on the way out. Drove all the way there and around the area all week. Probably could have made it at least halfway back, but there was a good fuel price in Carlisle, PA, so filled there. Didn't vent for for the extra 6 gal, as fuel prices have been coming down. Drove all the way back and the wife's has done a full week of the normal running around and it STILL has 5 gal left!

The old girl's about due for an oil change here at 240K (I do every 5000 mi). She needed half a quart before the trip and that was the first add since the last change. Can't complain about that either!

Now if only I could get the tall 5th gear so I can do 1900 rpm at 65 or so!
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Old August 28th, 2008, 06:19   #153
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I have 2 trip to do totaling 900 miles over the next 2 weekends. I'm gonna try to do it with a single A3 unvented tank. Back roads only, planned speed is 47 mph. I just want to break the 3L/100km mark so bad.
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Old August 29th, 2008, 04:49   #154
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tasdrouille, 3L/100km? Best of luck. THAT is a 'holy grail' that I made just once (2.8l/100km in the 2003 Tour de Sol), but that was a long time ago in a car I no longer have. I believe the A3 will have less difficulty reaching that than the B4, mainly due to less frontal area, less weight to move, and lower rolling resistance drum brakes in the rear.
deezulmark, tell someone you change your oil after 5 fill-ups and watch their expression. I used to change by B4's timing belt each year, too.
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Old August 29th, 2008, 06:46   #155
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Quote:
Originally Posted by tasdrouille
I just want to break the 3L/100km mark so bad.
Wow, 78.4 mpg. That would be incredible. Thank God for the internet or I'd have had to actually use math skills for that!

http://www.eforecourt.com/l_100km_mpg_convert.htm
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Old August 29th, 2008, 08:58   #156
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Quote:
Originally Posted by Blue_Hen_TDI
Wow, 78.4 mpg. That would be incredible. Thank God for the internet or I'd have had to actually use math skills for that!

http://www.eforecourt.com/l_100km_mpg_convert.htm
No need to go that far
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Old August 29th, 2008, 11:23   #157
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Quote:
Originally Posted by tasdrouille
Lol, never realized that was over there. Cool.
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Old September 7th, 2008, 12:54   #158
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I did it, I just broke 3L/100 km. I did 2.94L/100 km, that's 79.9 MPG.

I filled after a 615 miles trip on which I purposely avoided highways. Average speed for the tank was 40 mph as per scangauge. 16 hours of country road driving.
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Old September 7th, 2008, 20:49   #159
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Hmm.....96 miles per gallon Imperial or 80 miles per gallon US.
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Old September 19th, 2008, 20:36   #160
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i got over 1350 kms /55 litre tank on my 2000 deisel jetta
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Old September 20th, 2008, 15:31   #161
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Quote:
Originally Posted by Chris Bell
Impossible? Not with a Passat wagon.

If you look at the trip odometer reading, it doesn't look very impressive...but the MFA trip computer reading on the left tells the whole story.



1407 miles (2265 km.)
24.19 gal. (91.57 l.)
58.2 MPG

I took a 1000 mile business trip and thought I would try to better my previous records for mileage and cruise distance (49.5 MPG, 1206 miles). I upped tire pressure to 44 PSI, chose a route that I thought would be the flattest (turns out it wasn't the best choice), and slowed down a bit. The results, according to my MFA, were so encouraging that it made a perfect excuse to take another 300 mile trip (thinking that would be as far as the car could go...wrong!).

Since I had a useable 1/2 gallon left at the end, I think that once I install my Upsolute chip and larger diameter tires, and choose a flatter route, I should be able to go 1500 miles (though I'm in no hurry to do this any time soon).

The Passat wagons can't compete with the 5-speed A4s (nor some of the Passat sedans on the Forum) in terms of real world MPG, but their big tanks have certain advantages. I think I have really earned my "Fahrfrumpumpen" sticker!

[ July 29, 2001: Message edited by: Chris Bell ]
whys it say unledaded fuel only if it a tdi?
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Old September 20th, 2008, 18:01   #162
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For the same reason as why it has a glow plug light if its a VR6. Its a hybrid cluster...a VR6 cluster modified for use in a TDI. That's an old photo...it now looks like this.
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Old January 25th, 2009, 21:16   #163
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I read the whole thread, but how come Chris you haven't said how fast you were going? I can break 52MPG(US) in my 98 Jetta if I drive 90-95ish km/h, but this is on winter diesel. Im going to try this again in summer for a 1 tank range.
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Old March 8th, 2009, 12:14   #164
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The fuel mileage is very impressive the only way I can get that on my 04 golf tdi is on the back of a tow truck. Again good job
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Old March 9th, 2009, 20:38   #165
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Quote:
Originally Posted by Chris Bell
For the same reason as why it has a glow plug light if its a VR6. Its a hybrid cluster...a VR6 cluster modified for use in a TDI. That's an old photo...it now looks like this.

Chris

Your driving range is only exceeded by your patience!

I wonder how many times you have had to explain the cluster?

Man-o-man, I'd love to have a 25 gallon tank on my JSW!
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