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View Full Version : crazy gas mileage....


summit425
08-21-2007, 07:48 AM
I am getting 18.7L/100km.. wtf..

it was like 11L/100km or even less

after I filled up my gas I am getting 450ish..

I changed my spark plugs few weeks ago and it was good. Maybe tires?

I got the used tire installed because my driver side's front tire has a nail in it.

Tire pressure was good a week ago but not sure now..

King Luis
08-21-2007, 08:26 AM
car?
motor?
typical driving conditions?
try putting in higher octane.
replace air filter.
check oxygen sensor.
how's your idle?

summit425
08-21-2007, 10:29 AM
323ci 2000
2500cc
downtown drive (bloor, college, yonge, bay etc)
octain 91
replcaed air filter (last feb)
idle is okay I mean I don't see the difference between now and past.

Daddy
08-21-2007, 10:54 AM
323ci 2000
2500cc
downtown drive (bloor, college, yonge, bay etc)
octain 91
replcaed air filter (last feb)
idle is okay I mean I don't see the difference between now and past.


Do you have an aftermarket air filter? I need to clean mine at least every four months. You might be due for a cleaning.

King Luis
08-21-2007, 11:42 AM
lots of stop and go driving can cause it to be poor.
last time you changed your plugs and wires?
try an oil change and the rest of the cheap basics.

cisco911
08-21-2007, 12:21 PM
ummm...if you got 450kms out of a tank of gas..you should not be 18.7l per 100kms. Unless your running bone dry, your tank will take 50 to 55 litres. if you were running 18.7l per 100, you would do around 300 kms per tank. You did 450 so that is around 11 to 12L per 100, which is normal for city driving. I don't see where your getting 18.7

Quack
08-21-2007, 01:04 PM
he probably got it from his OBC

azn_oo1
08-21-2007, 02:08 PM
i got the same year car and and use 91 octane too (mines auto). i get the same kms out of my tank as you do. so if u find any problem plz post so i can get it fixed too

thx
that means we get about 13.3L/100Km give or take.

King Luis
08-21-2007, 02:53 PM
try this. fill up a full tank and reset your trip. drive around until your empty then see how many litres you need to fill up. divide that by how many kilometres you've travelled and there ya go.

azn_oo1
08-21-2007, 02:58 PM
how far does a tank of gas for a 2000 323ci suppose to get you????

summit425
08-21-2007, 02:58 PM
today I reset my gas mileage right before go on the highway.

highway I am getting 7-8L/100km..

and highway + city = now is 10.2L/100km

I guess it was because I press the gas/brake pretty hard.

Well for the oil change.. I change my engine oil in every 5000km.

summit425
08-21-2007, 02:59 PM
how far does a tank of gas for a 2000 323ci suppose to get you????

pretty much same as 325.

I don't know.. my engine is pretty old and I am on 142000km right now..

I really wish I can delete "1" infront lol