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2008 Ford Super Duty

355 messages,  Last post on Nov 13, 2009 at 9:21 AM

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What is this discussion about? Ford F-250 Super Duty, Ford F-350 Super Duty, Truck


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#238 of 355
Re: latest mileage results 08 [diehardford] by rcuellar26
Oct 05, 2008 (7:56 am)
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Replying to: diehardford (May 19, 2008 4:29 pm)

Lucky you. I just got through with a 2600 mile round trip with my '08 F350. With only 16K miles on it, it broke down in Pilot Point Texas. Fuel injector stuck open, push rod bent and booster sensor blown - 3 days later and only 8mpg pulling a very light load. I drove 70mph trying to improve mile but no use - The 350 super duty is a dog with no power and crappy gas milage
#239 of 355
Re: latest mileage results 08 [rcuellar26] by diehardford
Oct 06, 2008 (6:55 pm)
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Replying to: rcuellar26 (Oct 05, 2008 7:56 am)

I hate that you are having problems with your 350. My 250 continues to give me great service. I took it to the dealer saturday for its 30000 mile service and then the wife and I headed up the blue ridge parkway toward mt mitchell to see the fall colors. 290 mile trip averaged 15.5 mpg. Back in august we took the camper down to the outer banks. If I held it down between 60 and 65 I got about 10 mpg. However on one stretch lets say I was in a hurry to get the beach. Averaging about 80 to 85 mph mileage dropped to about 7mpg. Camper weighs about 9000 lbs empty is 35 feet long and 11 1/2 feet high. I easley had another 2000 lbs in cargo and passengers. At 85 mph truck had power to spare. Needless to say I'm still very happy with mine. I still average around 14 mpg in my day to day driving. I hope you can get the problems with your truck resolved. You might try to have the dealer re flash the main computer. It controls the fuel and air ratios and that has a lot to do with power and mileage. Good Luck
#240 of 355
Removing the Dpf...? by pipfindr
Oct 13, 2008 (1:10 pm)
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Has anyone tried removing the Dpf, Cat, exhaust and egrs yet? I have heard it is possible with the help of by-pass modules. just want to know what the results were. yes i know the warranty would be gone.
#241 of 355
Fuel mileage by rga520c
Oct 25, 2008 (7:14 am)
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I have a 2008 6.4 ltr.F-250 super duty with about 3000 miles on the trk, and at best I am getting around 10-12 avg. MPG is this what I should expect to be the normal for this or will it get better and what could I possibly do to improve the mpg short of getting rid of the truck. I absolutely love the trk other than this.
 
Very concerned F-250 owner
#242 of 355
Re: Fuel mileage [rga520c] by scarab36
Oct 25, 2008 (8:00 am)
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Replying to: rga520c (Oct 25, 2008 7:14 am)

I have an 08 f350 crew 4wd, srw. Bought new mileage sucked like yours. It's been getting better the longer I have the truck. now at 36,000 I'm getting 16-17 freeway empty at 70mph 10-11 towing a trailer weighing approx 8,000. around town 12-15 love the truck but have used a lot of fuel to get to where I am now
#243 of 355
Re: Fuel mileage [rga520c] by diehardford
Oct 27, 2008 (7:55 pm)
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Replying to: rga520c (Oct 25, 2008 7:14 am)

Your mileage should continue to improve. I have a friend who has a 250 just like mind except color who was only getting about 11mpg at first. He said at about 50 thousand his made a drastic improvement in mileage. At 32000 my latest trip gave me 19.2 on one stretch of interstate driving. This was pure interstate with cruse set on 65. For the whole trip I averaged 17.8mpg. This was blue ridge parkway starting at virginia state line to Ronoke and then interstate back home to Rock Hill SC, Truck continues to give me flawless service.
#244 of 355
2 bad 6.4 diesel engines by streetrod46
Oct 28, 2008 (5:41 pm)
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I have a 2008 F250 Super Duty at 13,000 miles the engine went out with a hole in the piston(dealer said the glow plug tip broke off and fell in the cyclinder) Ford installed a new motor????. At 14,000 miles this engine goes out going down the road with no warning(Ford says that the #8 piston has a hole in the piston????.
I was wondering if maybe the computer has more fuel going into the #8 piston which causes the firing of the diesel fuel to wear a hole in the piston.
 
I have been driving fords for years but now I am begining to think about changing over to something else.
#245 of 355
Re: 2008 F250 over exhaust temp. engine quits running [bigdaddy101] by rentals1968
Nov 03, 2008 (3:41 pm)
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Replying to: bigdaddy101 (Jul 18, 2008 11:08 am)

Bigdaddy101- can you let me know the outcome of this? F450 with 22K miles in in the shop now with a blown engine. Ford says due to oil not being changed. they also found a hole in the radiator that they are claiming responsibility for due to a factory defect. When towed in it had no coolant. The reason for the tow was flames shooting out of the exhaust and Ford 1st said it was the radiator, then later in the day changed their minds & said the engine was blown. This makes no sense!
#246 of 355
Also Radiator by streetrod46
Nov 05, 2008 (4:33 am)
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rentals1968:
Also was told that the radiator was the cause of the engine blown, said they had a hole in the factory seam of the radiator. Talked with the service manager, he said they were not any fluid in the radiator. But the gauge didn't show hot neither did the smell of antifreeze show up at anytime. They put a rebuilt engine and a new radiator in the truck. He said the coolant does not get to the back of the engine and that since it is tucked up under the firewall that it why the #8 piston area gets the hottest and burns a hole in the piston. Will wait 13 to 14,000 more miles and see if it does it again.
#247 of 355
05 F350 Switches by fordman69
Dec 19, 2008 (5:47 pm)
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I have an 05 and I am installing the 4 axu.switches in the dash.
I cannot find the plug in under the dash but I found the ones out under the hood.
There are 2 plugs that plug into the brake box but cannot find the one for the switches.
Help.........

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