G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Under 250 miles per tank??? WTF

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Old Jul 7, 2008 | 09:43 PM
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pharbehind's Avatar
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Under 250 miles per tank??? WTF

And it's 80% highway. All stock engine, I'm not even driving hard, AT ALL!

Is something up, or what? Any ideas? I just took it in to fix an axle click on the passenger side, they didn't mention anything else. I don't even use AC. Always use Premium unleaded, of course.

2006 MT Coupe, 42k miles. I've got a 600 mile round trip drive coming up this weekend and dreading it now. Am I just SOL?
 
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Old Jul 7, 2008 | 09:45 PM
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Tire pressure, air filter?
 
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Old Jul 7, 2008 | 09:45 PM
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Maybe check tire pressure, alignment, get a new air filter.
 
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Old Jul 7, 2008 | 09:46 PM
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Mmm.... my front tires are getting pretty worn. But I'll check the pressure tonight.

What do you mean with the air filter?
 
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Old Jul 7, 2008 | 09:47 PM
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Intake air filter, dirty is bad.
 
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Old Jul 7, 2008 | 09:50 PM
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Alright. I'll check it out... thanks guys. And look into some tires to go along with it
 
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Old Jul 7, 2008 | 09:51 PM
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i feel your pain bro..i get 220miles a full tank and i drive 90%city 10%highway..but u drive 80% highway..you should definetly get better mileage!
 
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Old Jul 7, 2008 | 10:12 PM
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i was getting like under 300/tank in st louis. that sucks.
 
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Old Jul 7, 2008 | 10:32 PM
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I doubt I'll be able to get new tires for the trip, wanted to order them though a seller on here anyways. But I'll probably run to the stealership in the next couple days and get a new filter... If I can get 300/tank I'll be happy.
 
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Old Jul 7, 2008 | 10:51 PM
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Here's the checklist I go through when I start getting crappy mileage/performance.

Tire pressure (inflate)
Air filter (replace)
Spark plugs (clean and regap if not bad, replace if needed)
Fuel filter (replace)

If all of those look okay, take it to Autojoke or another place that does free diagnostics. They can tell you if your MAF or O2 sensors are throwing codes. When those parts are starting to fail, they won't trigger an SES light right away unless it's REALLY starting to throw off the A/F readings. But it will still log the status of those parts if there is intermittent problems with them.

It's worked well for me, been getting 415-430 MPT from the sedan for the past few months.
 
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Old Jul 8, 2008 | 12:00 AM
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If you truly aren't driving hard, something must be wrong with the car. It's got a 20 gallon tank. I'd say anything under 280 and there must be a hole in the tank.
 
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Old Jul 8, 2008 | 12:29 AM
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How many gallons each fill-up?
 
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Old Jul 8, 2008 | 11:52 AM
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I only get about 220-240 miles per tank...but I'm not gonna lie... I drive faster than the avg person.
 
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Old Jul 8, 2008 | 12:50 PM
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where can you get the air filter from besides the dealer? suggestions!
 
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Old Jul 8, 2008 | 12:56 PM
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im getting about 360 with a manual....i drive like a bat out of hell too....the k and n drop in i think helped alot i went from around 300 a tank to 360 cuz mine was dirty as .... , also i am about 70% backroads which makes for a more fun drive if you know what i mean, also when i fill up its always right around 16 gallons
 
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