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dude wtf u guys have turbo cars and get that much Ks..

ive got a na r34 and the max i can get out of a full 70dollar tank is 300Ks MAX.

and i dont even have a heavy foot

all ive got is a 3inch pipe form the engine to back wif a 4inch tip..

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a tank is 45 litres so im guessing that i get about 22.5 litres per 100ks, which is ridiculous, i dont have a heavy foot but i do drive a lot of short distances do u think that this is the problem

if you do alot of stop and start driving and short trips you'll burn a hell of a lot more fuel than highway driving i used to get that sorta range when i was doing runaround driving in the city, also double check the last time your got a tune up.

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A way you can gain more kms is to change to new oxygen sensors, new fuel filter, change back to stock air box and I think cleaning your air flow meter helps, but if your always having short trips, that explains why you don't get much out of a tank.

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the fact that you do short trips doesn't help.

try getting a new o2 sensor. it may also be that your water temp sensor is dodgy as well so it is constantly running on cold start enrichment even when it is warm, or your thermostat may be a bit dodgy and making the car run cooler, which has a similar effect.

also where you live can make a difference too. where i live is hilly, so that means you will use more fuel than somewhere that is flat.

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yer, as these guys say, im convinced its more the distance of driving you do than how you drive

as soon as i get out on the highway, i get much much better economy, than the normal driving to and from work

would easily get 400/450 ks to a tank on the highway, close to 300/350 to from work

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a tank is 45 litres so im guessing that i get about 22.5 litres per 100ks, which is ridiculous, i dont have a heavy foot but i do drive a lot of short distances do u think that this is the problem

whaaa???????

My tank is 61litres.....

and I average 10-11 litres per 100km (3" turbo back and a pod) and I dont drive slow either...

There is deffinately something wrong with your cars fuel consumption!!!

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02 sensor problem maybe? that will hinder on fuel consumption, i get 300 k's with 16psi modded engine and turbo and thats non conservative driving, id get it looked at or check the 02 sensor that may be a start or tune with aftermarket computer

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Unless my understanding of the narrow-band O2 sensor is wrong, it is for closed loop feedback. ie. cruise conditions. Unlikely that will have any impact on crappy fuel consumption if you are only doing 2-3km short run driving.

Cold start / low temp enrichment comes from the engine temp sensor feedback into the ECU. Yeah, you could alter the signal if you're savvy with electronics but it would likely run like a dog until warm.

I suggest you plan a weekend away, and just do some cruising. Steady speeds, off boost, and actually LOG your fuel usage from full tank back to full tank. Then see what results you have over 5-600km.

Many people don't know how to drive to achieve great economy, and FWIW, you don't have a vehicle designed to achieve it either.

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I'm also running about 10psi. I get to 300k when the needle is almost to the empty but have not had the fuel light come on yet so could probably get more. I am also a lead foot. I used to get only about 220k when I was runnin 16psi on an aftermarket computer.

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