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Old 12-16-2008, 11:30 PM   #16
blastedM3
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I am running 205/50/15 tires all around. I did a tune up but havent changed the coil wire and the plug wires. I take it real easy on the car and i drive mostly HWY.

I cant figure out what else it could be that could effect my milage. But i am working on it slowly.
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Old 12-17-2008, 01:25 AM   #17
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lol do u have a gas leak?what does your mpg gauge read at 3000 rpms in 5th?
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Old 12-17-2008, 09:11 AM   #18
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ouch, gas leak possible
Your RPM with those tires corresponds to the 4.45 diff.
Wires can often make a HUGE difference.
Check for leaks when you fill it next
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Old 12-17-2008, 07:10 PM   #19
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Slimjim:My mpg is at 26 when on 5th gear going 100km/h

Supernaught:I have no gas leaks as i fill up my tank at least once a week and is parked indoors.So if there is a leak i would smell it if not see the stains. There was a leak about 2 months ago but that was fixed.
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Old 12-17-2008, 08:18 PM   #20
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^ Man, do a tune up on your car, I bet that would solve majority of your mileage problems first. Do the usual: plugs, air/fuel filters, I'd get an 02 sensor on top of all those... how on earth did your car pass an e-test running so rich?
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Old 12-17-2008, 09:31 PM   #21
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probably an air leak.
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Old 12-17-2008, 11:20 PM   #22
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Quote:
Originally Posted by craz azn View Post
^ Man, do a tune up on your car, I bet that would solve majority of your mileage problems first. Do the usual: plugs, air/fuel filters, I'd get an 02 sensor on top of all those... how on earth did your car pass an e-test running so rich?
I did all that... i changed the air filter,fuel filter/pump,plugs.Thats what i was wondering,how on earth did it pass e-test.

Where could the air leak be?
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Old 12-18-2008, 01:10 AM   #23
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I love how you guys are bumping up my thread...

somebody buy my diff plz
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Old 04-06-2009, 12:04 AM   #24
e30_kid89
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I know it not good to post stuffs in the E30 section but I didn't want to make a new thread since I already have one.

Still for sale, asking $180 firm. Will be availabile and removed from the car within 2 weeks when I recieve a deposit.

Thx
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Old 04-06-2009, 12:37 PM   #25
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start with plugs, oil change, new air filter; new fuel filter; check tire pressure; you should be getting around 350-400 per tank winter and 450-600 summer. city/highway. 8-10lrs per/100km
55 ltr tank. now if you're hard on the car and are constantly lead footing it; gas consumption increases.
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