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1300kms out of a tank of Fuel Challenge
by
catlin_cava
on 31 Oct, 2010 09:09
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Well Sibling rivalry was gotten to me and my sister and we are having a contest...Who can get 1300kms out of a tank of fuel in a TDI.
We both own a Jetta TDI, Mines a 2001 ALH and hers is a 2002 ALH "Drivers Edition". Both cars have roughly the same mileage
Hers has 414K and mines got 424K. She JUST had a transmission put it and its got 98,000kms. so this is where I stand right now
4 New tires at 32PSI(Winters).
ALL NEW REAR BRAKES Nothing is dragging anymore
My commute is 134.4kms a day round trip with 5kms of somewhat "city" driving 1 light lol.
Whats the BEST ways to get the most out of a tank since I JUST filled up the car right now and only have 8kms on the tank.
Clutch and coast getting off the highway? Clutch and Coast down LONG hills? MAX Idle warm up time in the morning (temps around Freezing)
and I did fill the car RIGHT to the top of the neck!
and the most shes gotten so far was 1263kms......and she was waiting for roadside to pick it up to bring her to the gas station
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#1
by
Patrick
on 31 Oct, 2010 10:00
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Run the tire pressure up some more, and drive like there's raw eggs on the pedals (fuel AND brakes). Don't use the brakes at all if you can get away with it. Biggest thing: KEEP THE SPEED and ACCELERATION DOWN!
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#2
by
cyrus #1
on 31 Oct, 2010 10:44
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You will actually burn more fuel coasting in neutral than coasting down in gear. In many cases the ECU will cut fuel completely when it senses you are coasting in gear.
I'm with Patrick. Keep the speed between 90-100km/hr. Faster = more drag = more fuel burned. I got nearly 5mpg in my gasser when I boosted the tire pressure from 32 psi up to about 48 psi. Keep in mind that you will lose some traction due to less surface area on the road.
Try to minimize the electrical load as well. Don't use the heated seats or crank a 1,000 watt stereo. I would also suggest running a fuel additive that boosts cetane.
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#3
by
the caveman
on 31 Oct, 2010 10:45
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Winter tires should be pumped up to 33 on those models anyways, so in your case, why not 35.
30 second warm up, drive slow for another 2 then gradually build revs.
Do you have a scanner or even, better- vag-com. If so, plug in and there is more than one channel where you can see real time fuel consumption
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#4
by
catlin_cava
on 31 Oct, 2010 11:47
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My cars downfall is I have a 120AMP Alternator on her, I have no Scanner or VAG I want to get one its on my Wish list lol. Ill pump the tires up some PSI's Tomorrow, there are 2 reasons Id like to get high mileage a tank is I go to school so I have no income and my commute takes me to college
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#5
by
clbanman
on 01 Nov, 2010 09:28
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Plug it in overnight to reduce warmup time. That will help a bit. Make sure your air filter is clean. PowerService Cetane Boost (white container) was good for about 2 mpg on my car. Air pressure in tires as mentioned can be big. For example, my brother's Subaru as delivered had 24 psi in the tires. When he checked and filled to the recommended 32 psi after 1 month, his mileage increased by almost 200 km per tank. Extra pressure can reduce tire tread life (at least in the centre), but if you're just trying to max your mileage for one tank, I would take it to whatever is listed as the max on your tire sidewalls. As mentioned, drive like you have a raw egg between your foot and the fuel pedal. Look way down the road for what traffic is doing, time traffic lights, don't go through any drive-throughs, don't leave the car idling. Plan your travels to avoid as many hills as possible - pick the flattest roads even if it adds distance.
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#6
by
rabbitman
on 01 Nov, 2010 10:45
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Yup, what Andrew said, I went on a trip in my rabbit with 4 passengers and gear over lots of hilly terrain. I went real easy on hills, letting it slow a little and then on the downhills use the hill to get back up to speed.
The trip was just under 500 miles and after I got back I didn't fill up for a day or two, that tank got about 530 miles, my best at the time.
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#7
by
410
on 01 Nov, 2010 11:31
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I would also add some lucas upper cylinder lubricant to the fuel. I notice a significant increase in mpg's when using it. It's also kind of cheating since this stuff does burn and provides energy. I've used double the suggested amount(.250L for our tanks) with no negative effects.
One of my Bosch manuals also suggests lower rpm and higher load for better efficiency instead of high revs and low load. Good Luck.
The girlfriend and I have achieved 1300 km on a tank traveling across the country and the fuel light wasn't even on yet, so I know it is possible.
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#8
by
79rabbit4dr
on 14 Nov, 2010 23:00
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and I did fill the car RIGHT to the top of the neck!
isn't that a BAD thing? Maybe it's just on gas cars but that can screw up the evap system. Same with parking nose down on a really steep hill... or so I vaguely remember hearing.
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#9
by
zukgod1
on 15 Nov, 2010 08:59
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and I did fill the car RIGHT to the top of the neck!
isn't that a BAD thing? Maybe it's just on gas cars but that can screw up the evap system. Same with parking nose down on a really steep hill... or so I vaguely remember hearing.
No EVAP system on a diesel my friend.
Fill that suka up!!!!
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#10
by
79rabbit4dr
on 18 Nov, 2010 19:16
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No EVAP system on a diesel my friend.
Cool, wasn't sure about the post-1996 OBD-II systems. Is it just a matter of diesel not being so vaporous?
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#11
by
dankcorey22
on 18 Nov, 2010 20:23
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its 1996 and up for OBD II
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#12
by
79rabbit4dr
on 19 Nov, 2010 16:07
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its 1996 and up for OBD II
oops, thanks for catching that! '96, and even some as early as '94 were OBD-II compliant.
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#13
by
dankcorey22
on 19 Nov, 2010 16:55
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its 1996 and up for OBD II
oops, thanks for catching that! '96, and even some as early as '94 were OBD-II compliant.
really? what makes were '94 and up? or models?
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#14
by
79rabbit4dr
on 19 Nov, 2010 22:16
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