Fuel comsumption figures for Liberty 98 (2nd gen)

nano · Post by **nano** » Wed Feb 02, 2011 4:09 pm

Hello,
I have a Liberty from 1998 (2nd gen I think).
Manual , station wagon, 2.5 L engine i think.

I am absolutely appalled by the fuel consumption. I can only do 350km max on a full tank ($50) and this is country driving.
Is this a normal ? How many k's should I expect ?
I'm really not impressed...

Thanks

nano

sven '2' · Post by **sven '2'** » Wed Feb 02, 2011 4:16 pm

I'll jump in...

Search the forum for the preferred way to present consumption in lt/100km and start from there.

Example here

nano · Post by **nano** » Wed Feb 02, 2011 4:44 pm

Thanks,

Then I'm around 12 L / 100km for country driving which I think is terrible.
The car feels like it needs a tune.

So not happy with this car.. going to sell it soon.

Cheers

niterida · Post by **niterida** » Wed Feb 02, 2011 4:45 pm

sven '2' wrote:I'll jump in...

Search the forum for the preferred way to present consumption in lt/100km and start from there.

Example here

Off topic but l/100km gives me the absolute sh!ts.

WTF is with an arbitrary number of kms ? Name one other measurement that uses something like that. There aren't any to my knowledge.

What is wrong with km/l which is just the metric conversion of mpg and a darn sight easier to work out and visualise (for me anyway).

nano · Post by **nano** » Wed Feb 02, 2011 4:50 pm

it all depends on what you are used to. l/100 km make a lot of sense to me.

Miles per gallons confuse the s*** out of me

sven '2' · Post by **sven '2'** » Wed Feb 02, 2011 5:01 pm

niterida wrote:Off topic but l/100km gives me the absolute sh!ts.

WTF is with an arbitrary number of kms ? Name one other measurement that uses something like that. There aren't any to my knowledge.

What is wrong with km/l which is just the metric conversion of mpg and a darn sight easier to work out and visualise (for me anyway).

So much hate...each to thier own

Post by **Alex** » Wed Feb 02, 2011 5:10 pm

i prefer l/100km too

just what ive grown up with

FROG · Post by **FROG** » Wed Feb 02, 2011 5:34 pm

Nice link though
Good example of what regular and proper servicing can do for your car
"lift the lid every Sunday" is what my Dad said was the most important part of "enjoyable" car ownership

openflame06 · Post by **openflame06** » Wed Feb 02, 2011 6:42 pm

Id say maybe 8 or 9 litres per 100 would be roughly what to expect even 10. 12L seems way too high.

If like you said feels like it needs a tune, if its out of tune could be using the wrong amount of fuel so hopefully easy fixed. Also though, depends on how you drive if your stomping the accelerator all the time like most people i know from the country

its not unheard of to be using 12L per 100

FROG · Post by **FROG** » Wed Feb 02, 2011 6:53 pm

Or more

On private property under uncontrollable conditions

niterida · Post by **niterida** » Wed Feb 02, 2011 7:31 pm

From my searching (my 96 uses too much as well) the following are things you should be checking :

Fuel Pressure Regulator
Fuel Injectors (dirty or stuck open)
Air Flow Meter
Water Temp - ECU will add more fuel to bring temp down
Oxygen sensor

Post by **TOONGA** » Wed Feb 02, 2011 7:32 pm

you may want to look at getting the injectors cleaned or do it yourself if you have the courage

Im getting around 10l/100km in my auto liberty wagon (with the switch turned to economy) the aircon is going as well. this is using bog stock unleaded.

TOONGA

Willie · Post by **Willie** » Wed Feb 02, 2011 7:51 pm

12l/100km is what I'd expect around town. Our 2.5T Forester XT does approx that driving around Sydney - mainly short trips. It goes down to approx 8 - 9l/100km on the highway.

The car gets driven quite gently most of the time.

niterida · Post by **niterida** » Wed Feb 02, 2011 9:03 pm

Willie wrote:12l/100km is what I'd expect around town. Our 2.5T Forester XT does approx that driving around Sydney - mainly short trips. It goes down to approx 8 - 9l/100km on the highway.

The car gets driven quite gently most of the time.

a 2.2 NA liberty will (should) get much better figures than your 2.5 turbo.
I would expect about 10km/l (oh OK 10l/100km) around town - maybe down to 8 or 9 if you can drive very economically and at most 12km/l (sorry 8l/100km) on the highway.

I used to get 10l/100km around town in my V2 Sti RA powered RS Wagon !!

d_generate · Post by **d_generate** » Fri Feb 04, 2011 5:20 am

It's usually the oxygen sensor or AFM, get some contact spray and give the AFM a good blast. I get close to 10k per L out of my STI powered Liberty around town & well over 700kl per tank on a fast country run.

A full tank should be costing you over $70 too as you have a 60L tank, let it run until the low fuel light comes on, you'll have 9L left in the tank so no need to panic & use at least 95 but try it on 98, they love it.

Subi fuel gauges are notoriously bad too.

bobbyjimmy · Post by **bobbyjimmy** » Fri Feb 04, 2011 7:44 am

+1 for the O2 sensor.
Check/change the leads and plugs too.