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VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old September 20th, 2017, 02:12   #16
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Location: PNW

These care are really highway cars. In my 02m (6spd) Golf I can be driving down the freeway knowing that there's almost no other vehicle around getting the MPG that I'm getting. In any of my manual trans cars when I hit the city I can watch the MPG plummet. I run UltraGauge on two of my cars (kids have them in their cars): I'm on backorder for one for my blue Golf (6spd). If I were doing city driving I'd be running a hybrid or an EV: right tool for the job; my toolset is currently only ALHs as my miles are almost all highway (all three of my Golfs are averaging over 50 mpg).

I'll have to state that the 01m cars aren't necessarily pigs. Had the daughter's car tuned (Stage 1) and with injectors/nozzles out of a manual trans car and that thing pulls extremely hard: had her "race" her brother in his Stage 3 5spd from a light and her wagon actually out-pulled his Golf- no real lag from shifting. Of course, he said that he really was on the throttle, but I don't now whether he was serious: but on the other hand I doubt that he'd want to concede to his sister! No idea what FE the wagon is getting: it's up in Canada where they use funny numbers (UltraGauge is mainly mean as a service tool for me- I'm notified whenever any codes pop up)
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Old September 20th, 2017, 16:39   #17
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Location: Kansas City Missouri
Default above 40mpg city in the 03 ALH wagon 5MT

OK, the short block and 5sp manual transmission is from a Golf, same year, with about 190k behind it.

But now I see I can pretty easily push into the 40s in the city (some "beltway" driving). Last tank would have made 600 but I tanked up at 1/8th. Calculated over 44mpg. Hard to complain about that, especially with the slightly heavier tires and 16" wheels.

The '15 GSW is a totally different animal. Once in a while it hits a groove where it holds 60 or 65 on a moderate hill while maintaining 48mpg like my '14 JSW did. But the second you press down, even a little, PLUNGES into low thirties on the hills (yes, I am talking about the instantaneous readout). I need a tune to help with torque on hills. I think it will maintain better mpg under those conditions.
Lost my JSW to a reckless MB E350 sedan driver blowing a stoplight:
Working on a replacement project:
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Old September 20th, 2017, 18:11   #18
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Join Date: Aug 2004
Location: South of Boston
Fuel Economy: 50/45/37

I'm beginning to think I probably drive more efficiently than I realize, since I get pretty good FE in stop and go driving in my Wagon. I've been visiting repair shops lately at least one morning a week, which means driving a couple miles, stopping, re-starting, and doing it again for a couple hours. And we have a lot of traffic going to Cape Cod many evenings for my commute home. Despite this (and running A/C all the time) I'm seeing 46-48 MPG pretty consistently. If I took a highway trip at 75 MPH with the A/C on I'd probably see 52. 10% isn't that big a penalty.

I love using the Wagon for the real short trip driving just because it doesn't take a big MPG hit. My GSW would lose more. And the BMW? Yikes.
2002 Jetta wagon, 362K, RC3+; 1993 Mercedes-Benz 300D 2.5, 197K; 1997 Passat, 285K; '99.5 Golf, 257K; 2011 335d, 56K; 2015 Golf Sportwagen, 8K. Principal, http://www.idparts.com
Kid's cars: 2002 Golf TDI, 2002 Jetta TDI
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Old September 22nd, 2017, 12:01   #19
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Location: Mount Albert, ON

Given its wife driven and auto.. I'd be worried that your intake is clogged really bad!
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Old September 22nd, 2017, 23:50   #20
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^^^ Yeah. Got my car (2014) with 118k miles on it and the intake was clogged pretty bad. PO (of 12 years) was a woman.
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