Where in AK are you? I'll help you fix it if you want to do the work yourself. That way, I can see how it's done before I end up changing mine!

 

I have never seen 17 mpg,even on a 55 -65 mph easy trip to Fairbanks and back.(I think it was like 16.4 mpg) My last tank of fuel before we switched to winter blend,I got 13.6. That's without any red light to red light type traffic. Most trips are 8 miles one way at 55 mph with a stop or two and back home with the 8 miles. I could understand this poor mileage if I had 4 10 rear,but 373's? I have synthetic oil all around and don't drive the truck hard. My over head suggests I get from 18 mpg to as high as 26 mpg, but I use it as just a suggestion. Heck my buddies '03 4x4 V 10 dually gets better mileage! With our crappy winter blend I'll be lucky to see 13 mpg. I may start adding the walmart outboard oil to the power service I use with each tank of fuel and see if I have any improvement. Its hard to get good mileage here in AK with our bone chilling cold or the next day heavy snow. I traded a 3/4 Chevy 6.0 liter for this truck thinking I would get better mileage when pulling a trailer. Thinking got me into trouble again. I love my truck,just wish I could afford to drive it. At $3.55 a gallon and 13-14 mpg,the truck stays parked most of the time. I put less then 3000 miles on the truck last year. If anyone has any suggestions for improving my mileage,I'm all ears.

I forgot, I also installed a Fitch Fuel Catalyst and didn't see any better mileage,I might get 1/2 mpg with the Edge Mileage Max. I do have an EZ Edge I might try for improvement.

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I'm just up the road from Wasilla,just past Settlers Bay on Knik Goose Bay RD
Your up in North Pole?