Fuel Consumption?? What The???

[95GTST]

Hey guys,

After purchasing my GTST I took it down country way and got about 400kms out of a tank, which is a 2/3rds of what I'd get out of the Suby, but it's a 6 so I spose that's acceptable??? Well after the country trip I re-filled and it looks like I'm going to get about 200kms out of tank for city driving!!!!! Is this normal guys??? I haven't been givin it heaps either, just casual city driving....

I was thinking of fitting a fuel pressure regulator, is this the fix for it????

Any help would be great.

Cheers,

Kyran.

[Jay95R33]

Nope, that's not normal.

I get around 440km to the tank (when the fuel light comes on) with city driving.

I'd check the O2 sensor. Sometimes the Jap's love to run high octane fuels that have lead in them. And the lead kills the O2 sensors

Drop it in for a look over and see what they say, but 200km per tank city driving isn't right.

J

[JimX]

Jay95R33 that is really good mileage for an R33! I consider getting to 400 on mine to be very good mileage. If I've been a leadfoot or have been in a lot of traffic I'll get up to 50 k's less than that.

95GTST, your car already has a fuel pressure regulator, and it won't really affect your economy at all if faulty. Upgrading it will only help stop leaning out, ie, if anything it will make you use more fuel! Something else is wrong, as Jay says it's probably the O2 sensor.

As for other things that will help your economy in general terms - thinner oil if your engine is in good enough condition, and higher tyre pressures (40psi or so).

[Anquetil]

I get about 450 here, thats 90% highway's too.

[rb25]

i get 500km a tank on teh highway - 110 off boost ALL the time, and about 350km tops around town - gentle driving....

[Cake]

i get 450km per tank consistantly, city driving. only mods are pod, and catback exhaust. i have got 480km before, and the fuel light only just came on then. i get 450km with normal driving, but not soft, giving it a thrash here and there still. havent given it a proper country/highway only run yet.

[Miss*33]

I usually get 320-360 city driving and 400-450 country driving, only mods I have are pod and 3". And I drive like a girl too, no thrashing it

I've had it all checked out and apparently theres nothing wrong with it and its not using too much fuel, so they say!

[ix9]

I get 550-560kms freeway driving at 100km/h off boost. The last 40kms the fuel light is on (hehehe)

Hammering it constantly (ie, a cruise) I'll get 450kms (last 40kms with light on also)

And mine throws flames out the exhaust when downshifting and accelerating being a leadfoot.

Go figure.

[JimX]

Yes, I think we've established that 200km per tank is really bad (but just for the record, I get 600km per tank on the highway)

[cav]

yes 95gtst ive been through this when i picked my 33 up i thought what the when i only got about 250-300 out of a tank. tested my o2 sencor (it was dead) so wacked one in, changed the plugs and am know getting around 400 with no fuel light around town (60%) or around 9 litres per 1oo km. havent checked it on a trip yet.

[Jay95R33]

Just filled up today.

410km to 53lt - fuel light wasn't even on

What does that work out to be? 13lt per 100km?

[Bleach1]

I get 13.3L average around the city. Not great.

[JimX]

I would think 13.3L is pretty good, considering my Commodore got around 16-17L and it had less power.

[hippy]

i'm about 500 a tank on shitty petrol LOL i don't think anyone else here uses shitty 95 ron petrol

[Ash]

its interesting a thread like this has come up, i always get about 400Km to a tank, maybe 350km if i have been on boost a lot, this is city driving (i never country drive).

On saturday when i was at my mates trying to cut the lock wire (i still don't know what colour if anyone can help) we had a fiddle with my blow off valve. its a HKS SEQ blow off valve and we undid the screw on top another turn, now it seems to blow off much louder and more often? it sounds like it is bleeding boost while i am driving but when i look at my boost gauge it says i have vacuume. Anyway i filled it up that day and i still have about 1/3 maybe a bit more of a tank left and i have done 350Km. so i will prob get about 466km out of the tank.

i thought i would get less km out of the tank by doing this. my mate hasn't looked but he said if i have a map sensor it may save me petrol?

[95GTST]

Cheers, thanks alot guys, I think I'll get the o2 sensor looked at ASAP.

Just another question, has anyone here vented their standard BOV to atmosphere? If so, your thoughts...

[fatz]

i get about 400 form a 75 litre tank in the gtr

anymore and id be stocked

city driving

pete

[DREMEN]

I get about 350 - 400km's per tank

Anyone know how to test the o2 sensor to see if its dead?

[Duncan]

I get approx 150klm per tank at the creek

[JimX]

Originally posted by DREMEN

I get about 350 - 400km's per tank

Anyone know how to test the o2 sensor to see if its dead?

350-400 is completely normal, I wouldn't worry about it. Unless that's only freeway driving.