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2008 Ford Super Duty
401 messages, Last post on Jun 11, 2013 at 1:23 PM
You are in the Ford F-Series Forum.- Your Host is KCRam@Edmunds
What is this discussion about? Ford F-250 Super Duty, Ford F-350 Super Duty, Truck
#396 of 401 Re: 6.4 Quality [f250mpg08] by dbweaver
Sep 25, 2011 (4:57 pm)
Replying to: f250mpg08 (Sep 23, 2011 2:05 pm)
I had a Superchips Cortex programmer on it before I took off the DPF and Catalytic Converter. It improved the performance but I don't remember the miles per gallon. I don't think it will void your warranty as long as you set it back to stock before you take it to the dealer
#397 of 401 ford f-250 by racerjames
Nov 26, 2011 (7:35 pm)
i have a 08 ford f-250 w/6.4 was going down the interstate the outher day and it just shut of they said it mite be the fuel pump that they have had a lot of promlems with them but will not stand behind them only has 60000 miles on it first and last ford ill ever have going back to shevy#398 of 401 was great by racerjames
Nov 26, 2011 (7:39 pm)
was getting about 17-20 mpg before it took a crap not happy#399 of 401 08 Ford Superweak by rob712
Dec 24, 2011 (12:05 pm)
I have a 08 250 with the 5.4 motor. this truck can't get out of its own way. The gas milage I get is 8.1 when 4x4 is not being used. It cant move on ine or mud without 4x4, but this may be the factory tires. I had to get a front alignment and Ford replaced two tires. Last inspection I could not turn the front wheels, upon closer look the brakes were rusted in the slides so I removed them and wire wheeled lubed and assembled. The dealer said it is a problem in northern climates. I have owned Ford for 25 years, but am considering another brand.#400 of 401 Turbo Booster and Particulate filter by notlovinmyford
Mar 09, 2012 (12:09 pm)
Our 2008 F-250 super duty 4x4 has been having very expensive issues and I'm afraid that they will continue. We just had to replace the turbo booster and the Particulate filter was taken off instead of replacing it, but now it runs really rich. I was wondering if anyone else with this model year was having these particular problems. I really feel it is an issue that Ford shoud address, and if there are enough of us with problems with the 08, maybe we can band together and get them to listen.#401 of 401 Re: check engine light [dbweaver] by hunter83
Jun 11, 2013 (1:23 pm)
Replying to: dbweaver (Dec 21, 2008 9:03 pm)
alge built up in water/fuel separator, clean it out, replace sensor and gasket
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