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Old 02-12-2001, 06:33 PM   #1
ort5
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Join Date: Jan 2001
Location: Jaffrey, NH
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2000 VW Golf TDI
5mt Red

Question Anybody getting >17 mpg. in Legacy Touring Wagon?

17 mpg.....yup. This is no V8 Ford SUV here...just a turbo 4 cylinder. I know that it is automatic, turbo and AWD, but 17 really sucks. That was mixed driving too. Anybody doing any better?
Any suggestions as to what to look for?
Tune-up?
Octane?
HELP!
Dave
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Old 02-12-2001, 06:59 PM   #2
slide
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my 95 wagon got worse thann that new. That was what got me into modding it way back when. I am probably now getting 17-18 mpg.
If I had that turbo, maybe it would hit 20.
Those damn 2.2's from our day suck gas.
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Old 02-12-2001, 08:57 PM   #3
RandyF
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2000 GT here... and this time around it was a whopping 16.5mpg... granted my wife just bought an RS, and everytime I drove my car I was running it at 9/10ths redline everywhere...

Yeah... I've had 24-26mpg highway, but that "at it's best"...

A
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Old 02-13-2001, 06:40 AM   #4
DLC
out back
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93 Touring Wagon, 95k miles.

17 sounds about average for me.
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Old 02-13-2001, 10:35 AM   #5
ort5
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grrrrrrrr....well I guess that is the price I pay for such fun!
I will have to start modding to justify that
lousy average. I guess it will be easier to live with at around 200 hp.

Dave
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Old 02-13-2001, 01:52 PM   #6
gavin
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The subaru engine seems to be VERY sensitive about driving style. If I'm taking it easy, I average 20-22 in mixed driving. If I'm driving even mildly aggressive, it plummets in a hurry.

Some things you could try:
Replace air filter
Replace fuel filter
Go to synth lube, if you haven't already
Reset your ECU (this is usually the first thing I do if I'm having MPG problems, clears out any bogus timing issues)
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Old 02-13-2001, 06:32 PM   #7
richeich
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I was going to bring up the synthetics as well. I had a 93 SVX, and put the Amsoil Series 2000 75W-90 gear lube in the front and rear differentials. (I sell the stuff, so that's what I use. Any good synthetic should help reduce drag.) Anyway, my mileage increased from 20.1 mpg to 21.8 mpg, same general driving conditions. Averaged over 10 tankfuls, before and after the change. Also, the high and low averages were thrown out.

I've done the same with my wife's MY96 Outback. I can't track her mileage as well, since I'm not always the one to put gas in. But when I have checked the mileage, it has been consistantly higher since I changed her gear lube to synthetic. It also seems to be approximately in the 1 mpg range. Every little bit helps!

Rich
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Old 02-14-2001, 09:05 AM   #8
ort5
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Thanks guys. I have a new K&N filter in there, but not sure about the fuel filter. I will try a tune-up as well.
Dumb question. How do I reset the ECU?

Thanks,
Dave
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Old 02-14-2001, 09:23 AM   #9
remarcable
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I get between 15MPG and 27MPG in my 99 stock outback. Wide range, but then again I usually drive pretty hard.

The long way to reset the ECU is to disconnect negative battery cable for 45 minutes, then reconnect and turn on car. Do not touch the gas and let it idle for 10-15 minutes. Poof, you're done.

There is also a fuse you can pull and accomplish the exact same thing, however I always forget the fuse #.

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Old 02-14-2001, 03:40 PM   #10
gavin
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I used to use the fuse method on my 4runner, but I haven't been able to find a fuse for the ECU in the Sube. It's definitely not in the engine bay.

Sube's apparently have this method available, though:
http://www.mrtrally.com.au/performance/howresetecu.htm

Which is probably more reliable, anyway, and you don't set off your alarm . Do it after whatever tune up/filter replacement you are going to do.

[This message has been edited by gavin (edited February 14, 2001).]
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Old 02-14-2001, 07:03 PM   #11
GG
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I've been getting 21MPG pure city driving this past month. Driven 20 total miles per day, short short trips. Best MPG I've seen is 27 in the Fall, windows up, sunroof open doing 65 on mostly flat terrain.
98 Legacy GT wagon with Automatic, K&N airfilter, underdrive pulley, Bosch Plat plugs, Caster Oil Syn in the motor.

Garry
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Old 02-15-2001, 05:11 AM   #12
lucien2
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I have the same rig as remarcable, and am getting the same numbers. Except when I went to the track....then I got 13 mpg
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Old 02-16-2001, 08:42 AM   #13
subarurabbit
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I've gotten 32 with my 93 L 5spd wagon.
amsoil 0w-30 in the engine, series 2k 75-90 in the front and rear diffs, and the amsoil air filter.

The a/c was on and I was cruising around 70.

Roger
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Old 02-17-2001, 12:35 AM   #14
Jonathan
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My 99 Legacy 5-spd GT does 24-26 highway.

The 16 Valve motor generates must of its power above 4,800 RPM. It seems to me the Subaru set the ratios so the average clutz could make use of the Subarus power.

Personally I think the car would do much better with a taller set of gears for highway cruising. 80 MPH is better than 3500 RPM. If I could get a tall enough 5th speed I could prolly drop that down 700 to 800 RPM (or more) and gain a good 3-4 MPG. If I wanna have power, just drop down to 3rd or 4th.
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