Ford F-150 (2009-2014) :: 2011 - Race Up To 4000 Rpm With No Throttle - Transmission?
Sep 24, 2014
I have a 2011 f150. I go to put it in reverse no problem after I'm done backing up and put it in drive. The truck does not go anywhere but it will race up to about 4000 rpm without even having my foot on the throttle. Put in park then back into drive same thing happens. Put it back into park turn the truck off start it again and no problems. It drives just fine. I've had it to the dealer they say it is not throwing any codes so there is nothing they can do about it.
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Why does my C6 shift at 4000 RPM when the throttle is open? My motor produces peak torque at 5000 RPM, and peak HP at 6500 RPM.
I would like to have the lower gear until I exceed the peak torque at least.
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I have 2011 f150 5.0 with 38,000 miles and the throttle body seized up tight.
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On my '11 5.0L I've noticed at light to mid throttle if I get into 5 or 6 with the rpms down near 1k or so it will have a light but noticeable to me shudder type sensation. At first I thought maybe it was a converter lockup effect or possibly road noise but the more I drive the more I notice it. Very indistinct and mild with no check engine light and mileage was 17mpg mixed so I'm pretty convinced its not an engine shutter- but I have no experiencing dealing with these coyotes yet...
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Just got my 2011 Ecoboost FX4 on June 15th. For most of the time I had it, the in-dash LCD showed the 6 gears (on the right side of the display) for the trans & highlighted which gear it was in at any time (in Automatic mode, not select-shift). It disappeared & I can't figure out how to get it back?????? Nothing is listed in the manual.
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I have a 2011 F-150 with the v-6 automatic. The truck has just under 45,000 miles on it. Couple of times I have started it up in the morning to head to work, and when I put it in gear(fwd or reverse) it seems to slip at first. It does it just the one time, then it will be fine. It only happens in the morning after sitting for the night and when it is cooler(Arizona here so hasn't gotten much cooler than the 50's at night so far). I need to take the truck in for another issue, but thought I would ask on here first.
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I have a 2011 F150 EB SCREW 4x4. Built in september 2011. The issue seems to have started recently as follows:
1st incident- driving normal, came to stop, accelerate from stop (normally) and the truck was stuck in first gear. Pulled over, shut it off, waited, restarted and seemd ok.
2nd incident (today)- driving normal at around 40mph in 6th gear and all of a sudden the transmission violently jumped to 1st gear for no reason! Then slowly geared back up to 6th again.
Also, I have sometimes noticed that soon after startup, but adequately warmed up, the truck will seem to keep pulling forward at a stop light with the brakes on hard...rpm is at normal idle but it seems like the torque converter will not "let go".
I'm going to be calling the dealer but need feedback, especially regarding any TSB's, SSM's etc for this?
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I'm trying to fix a transmission problem with my work truck. It's a company owned, 2011 f150 super cab, 2wd, 5.0 and 6 speed auto. It currently has 225K miles. The problem is very random occurring 2-3 times per week, usually happens on start up, and goes away after a hand full of engine restarts. It has happened twice on the freeway, the transmission releases and a complete loss of power and coasts to a stop. At the same time, the speedometer goes to zero regardless of vehicle speed. Normally, when it happens, the speedometer does not read, all the mpg, miles to E, and related meters show bars "-----". The vehicle starts and takes off ok, but when it tries to shift, it just releases and the truck coasts to a stop. It will repeat this for a while.
After several restarts, the truck goes back to normal. This has happened a couple dozen times now. The wrench and check engine light came on during the very first instance, but the auto shop said there were no trouble codes stored. They kept it for a week, and said it never reoccurred. I have a lousy video that shows, when this happens, the trans starts in 2nd, jumps to 5th, then 2nd, then 5th. I am past due for a new work truck and this one is on its way out, but has to last another couple of months! This truck has otherwise been very problem free and well maintained. I'm actually thinking of trying to pick it up cheap, if the repair is not too bad.
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Title says it all come to a stop, step on throttle nothing, let off and step on it again it goes, does some one have to be killed before Ford knows there's a problem, it's happened to me 3 or 4 times in the last month, dealer checked said there's no codes so nothing wrong. OK I forgot the good info 2014 eco screw 4X4.
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I recently purchased a '13 FX4, i love the truck, the Ecoboost power is incrediable. Recently while passing someone it made a horrible grinding sound, the dealer advised that it was known turbo issue that should have been corrected before we took delivery of the truck. When we took it in the dealer called and said they have Ford corporate involed because when the truck reaches WFO the four wheel drive tries to engage. Said it might be soem sort of vacuum issue.
Specs : 2013 Ecoboost Screw FX4 short bed. No mods, 6500 miles.
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Resetting Throttle Response. I came across this video, bored and just playing around, and tried it on my 2013.......and it works! Turn the ignition key to the run position, then slowly press the accelerator pedal to the floor. Then let the pedal up fast, then turn the ignition off. Do this 3 times, and on the last time, also turn the ignition off. I was amazed that that the lagging pedal response was almost completely gone!
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Experiencing sluggish throttle response on the EFI Ecoboost? I have had several incidents where I'm needing to change lanes fast and the response is a dead second or two before the motor catches up to the throttle position. Then, it rockets forward at full throttle to catch up. By that time it's too late to change lanes and I have to be on the brakes hard to keep from rear ending the guy in front of me. I'm coming from a carburetored Toyota Tacoma that was far more responsive (minus the power) then this truck. I never felt hesitant to jump on it and go. Now I feel like my life depends on waiting until I have all day to change lanes, make a left turn or pass a slow moving vehicle on a two lane road. Is this something the dealer can adjust?
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I just picked up my new 2011 F150 SCrew with Ecoboost on friday (pictures soon). I noticed after driving it a little, there is a noticeable burning smell...almost like an oil smell. It is even more noticeable after I had been driving with a little more throttle.. i.e. getting the turbos working a little. I attribute this to the normal coatings of oils on the parts but it still is a little concerning at times. I'm sure I'm worried about nothing and this is normal...
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So I drive a 2008 R32/U.S. spec and I was in neutral when I pressed the throttle and it would not rev over 4000 rpms and was wondering why??
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I bought a 2009 f150 5.4 with 150000 miles on it. I have a slight hesitation from idle so I want to clean the throttle body. I found several for the older f150"s with the horizontal throttle body but this 2009 has a vertical mounted one. I change the air filter and cleaned the MAF but didn't change anything. My wife's ford 500 had this problem and cleaning the throttle body completely cured it.
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Having issues with the vacuum falling off to the hubs when driving and light throttle. I know makes no sense,but kept fighting this thing making vary harsh rubbing sound since I bought it used and I know its the little collar on the back side of hub that engages to hub to make the 4x4 connection but it looses vacuum when driving and very light throttle/load.
I verified using a vacuum gauge ran inside vehicle when driving. Checked all lines and hubs,everything good. Solenoid has vacuum when running but seems to quit when light load or throttle and as soon as vacuum falls off then the collar starts to engage and rubs but doesn't fully engage. I don't get it. Unless there's something on the computer side of it shutting off the solenoid or something.
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I have a 2009 F150 4x4, XLT crew 6.5' bed, 5.4 engine. The truck has a very strange erratic throttle behavior from a dead stop through low speeds, shifting seems very strange at low speeds too.
Dealer tried re-flashing the computer, but that didn't fix it. They talk about some valve that sounds to me like it's similar to an EGR function, but I cant remember what he called this valve. He explained the issue as exhaust gasses that are to be recirculated and burned, but the valve is opening at the wrong time, or stuck open or something so it feeds the fire so to speak.
Does any of this sound typical or common? Is this something that's hopefully easier to do than a spark plug change on a 5.4?
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I got in a work truck yesterday, sat down, put my seat belt on and started the truck. Just as I did that another employee drove by and waved, all I could do was nod back at him because my hand was still starting the truck. This took my attention away for a split second, then as I put the truck in gear, my foot still on the brake, I noticed that the tachometer was pegged and the engine was racing. I instinctively pushed harder on the brake pedal, then looked down to be sure that I was pushing on the brake pedal and I was. Right then then rear of the truck started shaking violently and as fast as I could I turned the key off and put it back in park. This all happened in about 1 second, maybe 2.
The shaking was caused by the sheared off driveshaft. And it was sheared off because the center section of the rear differential had broken the spot welds that hold it and place and rotated on the axel housings. It is now pointing upward towards the bed of the truck. Have a drive by wire truck run the engine at wide open throttle with no input from the pedal? 2010 F150 4.6L...
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Today and yesterday day mark the first time since I have owned my truck, that I have really taxed it with a load or serious work.
I have 8126, miles to date, and hadn't felt this annoying and somewhat pronounced shudder at throttle- tip in. Only from a dead stop. I'm doing some work to my house, so as I type this I have about 700-800lbs in my box. I've never felt this shudder empty as I do with a load, and starting out on an incline.
It feels like the rear is rolling over a "rumble strip" for the first few feet of throttle input, between 5-10 mph and then smooth everywhere else.
Rob- if your reading this, I can't remember if your shudder was similar, or if yours did it empty or only when towing or hauling a load.
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2011 Focus 2.0L L4 engine, manual transmission, 70K miles - when up-shifting gears, the throttle remains high, dropping v-e-r-y slowly instead of dropping rapidly when the throttle is released. It is the same when not moving, when the throttle is run up to steady RPM's, then the pedal is released, the RPM's drop slowly. This has started recently, at first I thought it was just 'operator error', and that our shifting skills were deteriorating with age (ours, not the car), but testing has proven the fault lies with the vehicle. I researched sticking throttle issues, and thought I had located the problem as a bad throttle body assembly. Changed it out with a new one, went thru the computer reset procedure,and the problem still exists. No error codes are showing, but the little yellow wrench light is lit on the dash (resets each startup. Vehicle drives fine otherwise, no loss of power, etc.
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While driving around with the 8 speed is350, It seems like the transmission is slipping when changing from 3-4-5 under light throttle. The revs shoot up and then it finds the next gear kind of like someone riding the clutch in a manual car.
This used to happen a little during the winter on cold start but its happening more often even in warm weather. Maybe I'm just crazy but I'm sure its not supposed to be acting this way.
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