Ford F-150 (2009-2014) :: MPG Very Low?
Feb 14, 2015
So I've been planning a trip to Phoenix, AZ and have been trying to figure out whether renting a little car with good gas mileage would be more ideal than driving my truck. So, I started doing the math with local gas prices and the MPG specs for my truck and it completely conflicts with what my instrument panel says how much miles I get from a full tank of gas.
My instrument panel shows I get roughly 350 miles for a full tank of gas (26g tank). This is well below my 15/21...
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Started a while back and comes and goes. Only commonality I have found is the truck needs to be warmed up for it to happen and usually after a few hours of driving. The downshift from 5th or 6th into fourth, at times, produces anywhere from a light to violent clunk, feels like a typical tranny slip. It will do it while in cruise and it will do it if I don't have the cruise on. Can't figure out if it is going to be a tune issue or hardware.
It does it only downshifting into 4th from 5th or 6th, no other downshifting is a problem and usually the 6th to 4th produces the worst results. At highway speeds that is usually a shift from around 2Krpm to just over 3K rpm (6th to 4th) if it is from 5th it is about 2500 to 3K. Start from a stop and go WOT and there are no issues.
Having it in Tow/Haul or not makes no difference as far as I can tell. IT can do it on one hill and the next time be just fine or do it 2-3 hills in a row. After this last trip it will do it at 9K feet or at 60 feet elevation, didn't make a difference there either.
Another issue that may be hurting the computer is the truck originally came with the 235 tires, it now has 285's and the rear is only 3.31. I plan on going with 265's and maybe still a gear change to 3.73's in the future. I usually only notice this on long trips, first was a 1500mile hauling an ATV, second was last week during a 2500 mile empty. Although I have had it do it a few times locally. I figure those bigger tires can't be good especially with that high of a rear for the management system.
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What are some pros/cons you have with yours? Both 5.4 supercabs xlt im looking at just cant decide. The 09 has a overall higher rating but its not to much more.
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Spent 6 1/2 hours yesterday driving back from my job to home in a snow storm. Conditions weren't too bad when it was solid snow floor the sections that had been plowed and had a 50/50 mix of packed snow and bare pavement were a little sketchy. It was my first drive in snow out side of driving around town since buying this truck. I spent most of the drive in 4 auto and in some spots switched to 4 high. When I was looking over the manual, I didn't see anything about maximum speed while in 4 wheel drive. I kept it under 50 the entire time since that was the cut off in my tundra. What is top speed while 4wd is engaged? another related question, Whats the difference between 4 auto and 4 high?
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2012 5.0 getting about 13 mpg other saying they get 17 mpg.....
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Looking at the specs, the screw 5.5' truck's cab height is 76.7" (4x4). For the 6.5' bed, that cab height is 75.6".
This seems to be true for most of the configurations: the shorter, the taller.
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I have a 2010 F150 Lariat 4x4 with the 5.4. It has around 63,000 miles on it. I purchased this truck last winter and recently have noticed a pretty heavy vibration when the AC is running. It only vibrates when I am at a stop. If I apply a little throttle the vibration seems to go away or it goes away if I shift to neutral. The vibration is not violent but it is above average and I would definitely not consider it normal AC vibration.
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I changed my Oil Saturday and noticed an oily wetness on the pan and couple of those "droplets" at the forward edge of the transmission. Its clearly motor oil. Im takin it in next week. Its not too bad to drive it but at only 14000 miles I am surprised.
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What is the code for an FX4 is? Reason I ask is when I go online to Ford dealer inventory listing it shows something like "F150 4X4 SS S/C" but I don't see anything like "FX4."
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I have a 09 s crew with 6 1/2' bed also. Lariat, Max tow package (most of the cool toys) I bought it certified pre-owned in April of 2011.
My vibration is between 35 and 45 mph. Not felt in the steering wheel but all the seats feel it. Set the cruise at 40 mph and it will drive you nuts.Dealer has had it a couple days for this and all they have found was a sticky rear u-joint.
I am at 35,500 miles so I am thinking about just dropping it off and saying keep it till you find the problem.
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I have 2010 FX4 with 76,000 miles, 5.4L with automatic trans and the console shifter. Problem is, lately it doesn't always want to come out of Park when I try to go somewhere. I know that the brake pedal needs to be pushed in order to release the lock on the shifter. If I pump the pedal a couple of times it seems to release the lock eventually. Is there a brake pressure switch that actuates the lock or a switch on the pedal that needs to be made to release the lock? I have tried to search on here for a fix with no luck.
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I know I've complained about oil consumption before on my 12' 5.0 with 42 K. I've kinda come to terms with it and figure not much I can do ? Next oil change I want to try to improve it. Checked it the other day and has used approx 3/4 of quart in 2200 K. I've read other guys post talking about improving consumption by switching brands and trying different viscosity. I'm using the recommended Ford 5/20 synthetic now.
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I purchased a new '09 f150 in '09. the truck has been fine except the dash light problem which ford has declined to correct. In low light i have no dash lights. it must be completely dark for the lights to work.
Last fall I drove a windy 2 lane secondary road at dusk without dash lights. I could not read the gauges. I did not know how fast i was traveling. This road has several tight corners.
The truck is powerful, accelerates quickly and weighs about 6,000 lbs. this is a very dangerous situation!! I have been to the dealership several times and phoned the ford customer service but to no avail!! Fords response is 'they're all like this'!!!!!!!!!!!??
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I just bought a 2010 F150 with 5.4 and 6R80 transmission. According to records the trans fluid was changed only 1 time at 101,000 miles. Shift from 1-2 and 2-3 was a little sloppy, but really not too bad. Everything else shifts and downshifts nicely. It now has 227,000 miles, so I decided to pull the pan, look and see how much trash was in the pan and on the magnet. Very, very light film on the magnet, the fluid was brown colored, but no burnt smell at all. What concerned me was the fact that I drained out only 5 1/2 qts of fluid. Replaced the filter and added a drain plug to the pan for next time.
On the refill, I started with 5 qts but I ended up adding another 4 1/4 qts (1/2 qt at a time between checks) to fill the trans for a total of 9 1/4 qts. Of course, trans was at operating temp in park (Damn those catalytic converters and exhaust get hot!!) I even let it warm up and re-checked it the next day just to be sure it wasn't overfilled or low. No apparent leak except for a little dampness around the driveshaft yoke. Should I be concerned about taking so much to refill? Haven't had a chance to drive it (Will tomorrow) to make sure it drives OK.
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Over the course of the last week my '09 has become increasingly difficult to turn while at lower rpm. When going through a drive thru or backing out of the driveway it sometimes feels like there's no power steering. -especially when tuning right. Checked her out, nothing leaking, though the hi pressure steering line does appear to be wet near the connections. Rack boots appear a little damp too but are still in tact and fully functional.
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Started up today and no response from the A/C fan on any speed- dual climate control. Checked all fuses good. Electronic control panel shows normal with all the fan speeds, but no blower motor action.
Is it the motor or a resistor/controller? Thought with a bad resistor you would get the fan on at least in one speed.
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I can play pandora through sync via Bluetooth but on the radio screen it only displays the words Bluetooth. When I plug it into USB 2 the title and artist display but there is no sound available. How to get the sound to play through USB on iPhone in a sync enabled truck?
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My wife purchased a new F150 4x4 in late 09. We have driven it about 5000 miles. It is garaged year around. Her brother offered to do the first oil change but can't get the filter off. He has tried every type of wrench and has the metal body of the filter nearly completely torn off up to the rim of the filter near the seat and it still won't screw off. we are thinking that is might have gotten cross threaded at the factory and over tightened.
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I want to lower my 2014 FX2 supercrew 2/4. Can't seem to find any drop spindles for it. What are you using to drop your trucks. I don't want to change the driving or handling of the truck any more than necessary.
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My 2011 3.7 CC seems like it is missing at speed.
If I am around 75 or so in 6th is vibrates, but downshifting to 5th or 4th seem to take it away.
I am going in tomorrow and have the tires rotated and balance, but I think it is somewhere else. It has a little over 42,000 miles
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2011 Lariat. My key fob is starting to come apart, and dropping it didn't work any.
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