Toyspeed.org.nz Message Board

by **FYADUP** » Fri Jan 28, 2011 3:48 pm

Hey guys,

I have a 1991 Corolla GT-i hatch with standard redtop smallport (black and red writing) has an exhaust and better panel filter.

I live in Auckland and drive from Parnell in the city to the Airport and back every day for work.

This is approximately 25km each way so over a week you're looking at roughly 125km total driving (excluding weekends)

I seem to be spending around $100 or a bit more on gas a week to go to and from work - I know petrol isn't overly cheap at the mo as I run it on either 95 or 98 only (states inside fuel lid to)

Obviously these are the optimal gas' for the car to make it run its best.

Does it seem like I am spending too much for what it is?

I seem to think it goes a little quickly, but maybe It's normal for the amount of k's I do.

What are your thoughts?

Jason

by **sik_gt_starly** » Fri Jan 28, 2011 3:52 pm

for arguments sake we will say gas is $2 a litre, your saying your getting 125 kms of driving from $100 gas

50 litres to drive 125kms

2.5kms a litre?? sounds rediculous and something must be very wrong, most 4ages get 10-15km/litre or better depending how they are driven

by **FYADUP** » Fri Jan 28, 2011 3:57 pm

Yer, thought so.

I will do a test in the next week or 2, driving to and from work and starting the first morning on empty. Get some accurate km's to money spent.

It's a rough esitimate, could be a bit more km, but I'll do it properly - still from what you are saying, seem still ridiculous.

I give it a few fangs on the on ramps etc but apart from that not really?

by **MAC_HATER** » Fri Jan 28, 2011 4:08 pm

an easy test is unplug your oxygen sensor - if the problem mostly goes away then you've found the culprit

from what ive seen if an oxy sensor packs up it just tells the computer "FFFUUU IM RUNNING LEAN" and the computer chucks in way too much fuel and you get the likes of what you are getting

by **FYADUP** » Fri Jan 28, 2011 4:08 pm

i might also add - Its done almost 300,000km and the idle is a bit off (isn't smooth)

I guess this could be the cause of the high fuel use? Somethings a bit stuffed e.g. AFM, and causing it to over fuel?

by **Adamal** » Fri Jan 28, 2011 4:08 pm

First, you might want to go over your math again if its 25km each way

by **sik_gt_starly** » Fri Jan 28, 2011 4:12 pm

double facepalm, thatl teach me for skim reading and not picking up calc errors

so over a week you're looking at roughly 125km total driving

still 5 km a litre is pretty shocking for a 4age

by **sergei** » Fri Jan 28, 2011 4:14 pm

Oxygen sensor will not cause that greater discrepancy, at most it will do 20% worse.
Perhaps leak in fuel system (including leaky injectors) or mis-calculation are the culprits.

Do a fill up to the full, reset trip meter, drive whatever you drive, then fill up again (to the full). Take note of Litres vs Km and post them here.

$120-$140 is full tank, and should give you 400-600kms depending on the driving.

by **touge_ae101** » Fri Jan 28, 2011 4:24 pm

sergei wrote:Do a fill up to the full, reset trip meter, drive whatever you drive, then fill up again (to the full). Take note of Litres vs Km and post them here.

this. sounds like something is not right have you got a hole in your tank?

either that or some kid down your street is siphoning your gas in the middle of the night.

by **deaf_rattle** » Fri Jan 28, 2011 4:25 pm

just fill tank up, do 100km then fill up again. done

by **FYADUP** » Fri Jan 28, 2011 4:33 pm

HAHA! - Its all my fault starly.

Sorry guys, muppetry end of Friday has kicked in.

I am at work and dreaming about a nice cold beer - mind is not with it!

Just did a manual path plot on google earth - the exact way I drive to work and got 26.5km one way, so was close.

So, during the 5 day working week I drive 265km in total.

Was going to do exactly that Sergei - will give it a go and post up info!

Sorry for being a f%&*tard!

Jason

by **GDII** » Fri Jan 28, 2011 5:35 pm

I drive 44km to work and back and do some weekend driving. 2.0litre SW20 MR2. Costs me an average of $65 of 95 a week. Thats about 260km per week. Something must be wrong if your car uses that much.

red car · by pc » Fri Jan 28, 2011 6:35 pm

$ per week is a meaningless ratio. km per litre is the only ratio that gives an idea of what is going on.

Apparently some factory speedo's are out by lots (so i've heard, haven't seen one yet) so the trip meters could be out by a bit. Check the speedo with a GPS to be sure.

by **metal_sean_head** » Fri Jan 28, 2011 7:48 pm

Something is up. My 4AGE bigport does about 350-400kms per tank around town. And like 550km highway driving.

If your revving the nuts off it everywhere this will obviously raise your consumption. If your driving relatively sedately you should expect a lot more kms.

by **strx7** » Fri Jan 28, 2011 9:07 pm

i have an ae101 with 4afe for a work car. the car itself has done 454,000km, the motor in it has done around 260,000km. I travel 26km each way to work and back each day (pretty much open road all the way), and i gnerally get 400-420km per 40 litres of gas. this car is an auto, i assume yours is a manual. if your daily commute involves lots of stop start in town then that will drop your k's per tank down alot

an ae92 tank is only 50 litres, and your fuel light comes on when youve got around 12 litres left. do you put $100 litres in 1 go? (i cant see how that is possible)

Website · by **Bling** » Fri Jan 28, 2011 9:18 pm

sik_gt_starly wrote:still 5 km a litre is pretty shocking for a 4age

Hell yes it is! I get twice that around town no matter how I drive

by **darkwolf** » Sat Jan 29, 2011 12:12 am

I have a 4.4L V8 and I can get that if I never get into 3rd gear...

by **levinguy** » Sat Jan 29, 2011 1:20 am

strx7 wrote:an ae92 tank is only 50 litres, and your fuel light comes on when youve got around 12 litres left. do you put $100 litres in 1 go? (i cant see how that is possible)

yeah, pretty much impossibile to get 100 in from when the fuel light comes on.

by **allencr** » Sat Jan 29, 2011 5:28 am

FYADUP wrote:HAHA! - Its all my fault starly.
Sorry guys, muppetry end of Friday has kicked in.
mind is not with it!
So, during the 5 day working week I drive 265km in total.
Sorry for being a f%&*tard

Good, now all anyone needs, maybe even you, is the quantity and not the $$ or octane or the colour of the car.

by **blindnz** » Sat Jan 29, 2011 8:57 am

allencr wrote:Good, now all anyone needs, maybe even you, is the quantity and not the $$ or octane or the colour of the car.

Sure knowing the exact km/l is better but knowing that $100 of 95 or 98 at ~$2 a litre and hes doing around 250 kms per week.

That seems like shitty fuel consumption to me. At the moment im looking at my silver top because it only gets around 10l/100km overland. which is more then I think it should be using let alone approx 20l/100

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