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High fuel consumption issue

PostPosted: Tue May 31, 2011 9:17 pm
by Mr Cali
Hi, it seems as though I have a problem with fuel consumption. I only get around 360-380km per tank, usually about 55+ liters when I fill up.
I only use 98 octane fuel and probably do 80% peak hour traffic driving.
I have replace the AF (yellow) sensor and that has fixed my miss on idle but that's about it.
There is no engine/ecu light coming on and the car is still very smooth and accelerates nicely. It has only done about 85k on the clock

What else could it be? I think I read somewhere about blocked cats causing very high fuel consumption, could this be the reason and is there a way I could check this without taking the exhaust apart?

Re: High fuel consumption issue

PostPosted: Tue May 31, 2011 9:20 pm
by cruisn
For the driving conditions (peak hour) id say thats a pretty normal figure. I get similar figures around town.

Re: High fuel consumption issue

PostPosted: Tue May 31, 2011 9:23 pm
by hamish_023
When i drive into town in peak hour my fuel eco goes from 9L to 13L.

Re: High fuel consumption issue

PostPosted: Tue May 31, 2011 9:54 pm
by Ben
Same for me 12-14 around town, even higher if it's stupid city traffic and I'm 'impatient'. Normally it's 10.6 combined, right on factory spec.

Re: High fuel consumption issue

PostPosted: Tue May 31, 2011 9:55 pm
by ndlibgt
cruisn wrote:For the driving conditions (peak hour) id say thats a pretty normal figure. I get similar figures around town.


Likewise here Tai.

Re: High fuel consumption issue

PostPosted: Tue May 31, 2011 10:21 pm
by stew07gt
yeah, over the last 5000'ks ive averaged 12.6 ... sounds pretty normal to me.

High fuel consumption issue

PostPosted: Wed Jun 01, 2011 5:43 pm
by Mr Cali
Thanks guys, I guess I have to get used to it then.

Re: High fuel consumption issue

PostPosted: Wed Jun 01, 2011 6:14 pm
by Kekotic
Removed.

Re: High fuel consumption issue

PostPosted: Wed Jun 01, 2011 7:18 pm
by stew07gt
im thinking it must, if im only driving around town, and lets say i was late for work, and driving less smoothly than normal, i can get it up to around the 14's pretty easy.

heres to hoping a tune soon will help this.

Re: High fuel consumption issue

PostPosted: Wed Jun 01, 2011 7:30 pm
by Ben
chaotic2050 wrote:Does the 2.0 use more fuel or something? That seems pretty high to me.
I use about 10.2L/100km and I have a dump pipe and some other intake stuff with no tune, and I do drive in a bit of peak hour also.


It's cos they are fully hectic and so much faster…

That and they run very rich from stock and are tuned more aggressively than a 2.5. Also 2.0 pulling all that weight doesn't bode well for fuel consumption!

And, Kieran your intake mods will be making your car run leaner, hence less fuel as well.