Fuel Mileage - Ford Powerstroke Diesel Forum
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Old 08-18-2010, 11:30 AM
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Fuel Mileage

Could anyone give me some ideas to increase my fuel mileage a bit? I drive round trip roughly 60 miles a day for work and have to fill 1 tank 2 times a week...seems a bit much to me no?
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Old 08-18-2010, 11:49 AM
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What is your current MPG? You can drive a little easier. What psi are your tires at? Seems like most guys report better mileage after intake, exhaust and a chip after they get over the power increase.
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Old 08-21-2010, 11:41 AM
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I don't drive it hard, I do 65mph on the highway I rarely spool the turbo unless I really need to... I have an intake, I did the airfilter from NAPA. My fronts are 55 and my rears are at 85, its what I read on the door for PSI.
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Old 08-21-2010, 03:43 PM
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i drive the exact same amount each day as you, and fill up every friday after i get paid.
i used to get 200 miles to the rear tank, now i get 300.
i did an oil change with filter, air filter, fuel filter, and i add this stuff called "diesel kleen". Its in a silver bottle. you can get it at wal mart or napa.
i bought about 3 bottles that treat 100 gallons each. I poured half the bottle in each time, and still do. truck runs better every day too.
my truck has 345k on it though.
hope this helps you like it did me.
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Old 08-21-2010, 04:03 PM
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I'd air the tires up to the max rating on the tire. Most likely you aren't running the stock tires anymore.

I run a mix of Power Service Fuel Supplement, and low-ash 2 stroke oil. I was getting mid 15's before i added them, and now i'm getting just a tick under 17. Once i get all 8 injectors functioning, exhaust, and a chip i should see 18-19. This is average, i do very little highway driving and i'm not really "easy" on the throttle. I like to hear that turbo whistle.
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Old 08-22-2010, 08:36 AM
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Im running a combo of standine and 2 stroke. Try difrent gas stations. I switched stations and gained a few extra km per tank
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Old 08-22-2010, 08:45 AM
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The problem is, theres not many stations around here carrying diesel and I hate that. The po put some stupid "GoodRide" tires on it...I'm guessing ghetto version of Goodyear tires.

I think my turbo is on its way out after last night, was driving home taking a left from a stop light, didn't really get on it but the turbo started to spool and I look back - white smoke. Would this effect it at all?

I also just changed the fuel filter, it was beyond pitch black...I mean, like...fresh tar black.
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Old 08-22-2010, 07:09 PM
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white smoke can mean bad head gasket, nothin with the turbo. check your coolant
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Old 08-24-2010, 09:59 AM
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I have a 97 CC Dually with Air intake, Bullydog chip and no cat,I use Howes meaner cleaner at every fill up and get 17-19 mpg when I don't get into it all the time.I get 14 pulling a 35' camper in the mountains.
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Old 08-24-2010, 10:46 AM
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my 97 never got better than 15 for some reason my 2000 get 18 with a super chip intake an 5'' pipe.. 3.73 an 36'' tires 80mph at 2000rpm
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