Ford F-150 (2009-2014) :: 2012 FX4 EcoBoost - Loss Of Power And Check Engine Light Came On Then Go Off
May 14, 2012
I took delivery of my 2012 FX4 Eco in January and about a month or so later I began experiencing a loss of power and the check engine light would come on then go off again. This happened the first time in Houston traffic one day so I was pretty concerned needless to say but then it cleared itself shortly thereafter. However, heading back home it occurred again on the highway while I was trying to pass and she just didn't have the power. I took it to a Houston dealer late in the afternoon before I left but no codes were found and when I got it back to my local dealer it was determined the left side catalytic converter was bad and it was subsequently replaced. Well, it happened again and it's back in the shop while I am offshore so they have plenty of time to take care of it.
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I have a 2013 F150 with a 3.5 Ecoboost. I was pulling my 16' aluminum boat on a two lane road and pulled out to pass another truck. I stomped on the accelerator and the motor lost power. I limped back into my lane and noticed the engine light blinking. If I had to describe it, it seemed like the motor was running in some sort of "limp mode."
After about a minute or so, I let up on the accelerator and the light stopped blinking where the motor began to run normally. Although I only "stomped" on accelerator once since I had the issue, I haven't had the problem since. The truck has 44k on it..
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New to me 2012 Ecoboose Screw Fx4. CPO but the previous owner put a K&N intake and cat-back exhaust on it. Searched around but came up short...
When in cruise control the truck will vary RPM and seem to 'hunt'. For example: if 50mph = 1500rpm the truck will go down the road varying between 1300 and 1700 rpm continuously. Could the truck be in need of a tuner because of the parts?.
Maybe related: When first started in the morning if I pull out of the driveway and hold steady throttle to accelerate, the truck will do this as well, just surges.
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I have a 2012 EcoBoost with 10k miles on it. Got in a rear end / side collision and now the truck won't start. I have tried everything I can think of. The fuel pump sounds like it comes on and the dash display comes on just fine but it won't crank. Won't make any sound at all.
The battery is fully charged and all fuses have been double checked. I am willing to try just about anything right now.
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Towing my Jeep/ trailer today I was flagged to the side of the road and advised of a massive plume of smoke trailing me... As soon as I popped the hood, I was greeted with the unmistakable smell of burning oil and a smoke screen like something off James Bond. After the billowing smoke cleared, I was able to pull off the engine cover and found a massive puddle of oil along the passenger side intake manifold??? I cannot locate the source of the leak yet? The driver side is bone dry. One other odd thing, when the engine was running I pulled the oil fill cap and there was a significant vacuum - is that normal? I do have a UPR dual catch can with CSS if for some reason that makes a difference???
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I have a ecoboost with 80k on it. All of a sudden it started cutting out real bad while accelerating. If I punch the throttle it feels like the motor is trying to die. Could this be my fuel pump going out?
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My 2012 ford F150 Eco boost 3.5 l stalls when I am accelerating. What could be the cause? I have replaced the, Spark plugs, coils, air filter, oil, and cleaned the injectors.
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2012 3.5 EcoBoost is a twin turbo or single?
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Well I had the dreaded loss of power and EPC/Check Engine light happen on Monday. Was driving down the Interstate and all of sudden we just lost power. It did not go completely dead, but it ran like crap. Called the local VW and they advised to bring it in, still under warranty (27k, 26mths) and it turned out to be the high pressure fuel pump. They replaced the pump and the replacement was bad! Luckily they tested it before they got it out the door back to me. Provided me with a loaner and the dealer had to get a replacement pump overnight. Picked up the car yesterday and everything drives the way it should again.
I had already had the software update, but according to the service advisor that was for the fuel pump in the tank, not the one on the engine. Not sure if that is correct, but that is what the advisor told me..
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Have a ecoboost that moans and groans under light acceleration ? I asked the dealer about it and he said everything was fine. I guess its the turbo blow off valve. It run fine, just weird noises under the hood.
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A close friend of mine just traded in his '04 Tacoma with ~240k miles on a 2011 F-150 EcoBoost XLT Screw 6.5' bed w/ 3.73's. Truck has ~75k miles He went the EB route after I was having the tick/tap issue with my 5.0 (yes... a 5.0 guy talked someone into the EB ). Actually was my first time in an EcoBoost truck and MAN is that thing quick, especially with the 3.73s.
Truck is very clean inside and out and was well cared for. He did throw a blinking CEL light (assume misfire) after a rainy highway trip, having to tip into the throttle to pass someone. I had already mentioned that might happen so he knew to expect it.
We are planning to do anything "non invasive" to prevent the issue (e.g. no IC drilling). We plan to swap out plugs and boots. Looks like plugs should be Motorcraft SP534 gapped to .030 and boots are Motorcraft WR6135.
What are the torque spec for the EB plugs? For my 5.0, spec is 124 in-lb. Looking like 133 in-lb from a couple of sources. Is there anything else we should be doing to prevent a misfire CEL in the future? He doesn't baby the thing and the CEL only happened the one time so far.
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I picked up a 2014 F150 with the EcoBoost engine a couple weeks back and while so far I love it, I can't get over how quiet it is. So, to my question, has anyone done anything with the exhaust to get some of that truck sound back. A slight rumble on acceleration would be nice to have and maybe get some gains out of it, but thats minimal.
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I have a 2011 f150 eco, i was having trouble with the turbos building boost and dumping to early, kept surging. I took it to my dealer so they ordered the deflector plate and intercooler, i took it in on weds and just picked it up today after they installed those parts and reprogrammed the computer with the latest calibration, this truck runs like a dog now, seems like it lost all the power it used to have? I called my dealer and am taking it back Monday for them to look at it again!
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My 2009 f150 5.4 v8 went from 18 MPG to 13 MPG and the check engine light is on?
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2010 F-150 5.4L 3V gas, 6 speed auto, 2WD.
I got a Bully Dog GT Platinum Gas with plans to purchase a tune from 5starturning. Was messing around and loaded the built in 05-10 Ford Gas tune in Bully Dog... all went well.
Take it for a drive around and next thing I see is my check engine light is on so back to the house and revert back to the factory file... again, all went well.
No such luck; still have the check engine light and the Bully Dog says there are no DTC codes. Needless to say, I'm a bit freaked out.
I have tried uninstalling the Bully Dog tune and reverting to factory file and still no luck.
I think I would feel better about it if I could just find some comment saying "this is common just unhook the battery and reset and go on your merry way".
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Purchased certified pre owned 2009 f150 may/2010 24,000 mile. The check engine light intermittently comes and goes. It seems that its either cold temperature or related to filling the gas tank. The first time it appeared I drove 100 mile then the truck sat over the weekend and went back off when started. The second time had serviced for the check light and the dealer diagnostic pin pointed P0304, P0305, P0300 and P0316 and replaced cyl 4&5 coils.
Prior to the replacement of the coils the truck averaged 18.2 mpg since the repair the mpg dropped to 17.6 and now at 17.2mpg. Had the truck in again and the light was on when I made the appointment but went back off when I went to the dealer. They said the reset the computer. The light twice has since went on and then back off after a couple days. The only observation is that the outside temperature on both occurrences has been below freezing and that I had filled up the tank.
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I have a 06 f250 king ranch with 6.0 . A few days ago my scangauge showed a code P0405
I changed my egr and after it showed two codes : P0405 and P0404
It still has a hesitation and loss of power , although better than before the Change.
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After about 5 miles from my normal place to purchase fuel, My truck bagan to run bad and the check engine light kicked on. Mileage dropped to about 8 MPG. This morning, the truck would not start and after 2 can's of dry gas, I was able to start it (barely).
I stopped at the place where I purchased fuel and at least they admitted that they has to shut down yesterday, stating they received a bad batch of fuel from their source.
Now the fun begins...How do I get the "bad gas" out of my truck?. I now have about 1/4th of a tank. I tried to run a line to siphon the gas and I can not get a line far enough into the tank.
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2000 Ranger 2wd 3.0 ... I bought my truck last summer for $1k from my neighbor, it has hit a deer so the grill is busted,front drivers fender bent up and bumper is bent all to heck. The old girl is rock solid reliable though and gets decent mileage with cruise heat and ac so I'm happy.
Anyways on to the point, I am having two big issues with it, the check engine light randomly comes on and causes it lose power sometimes at others you don't notice it. I have not been able to get codes read because it goes off every single time I go to someplace with a scanner. The light will usually go off if you floor it for a long stretch maf maybe?
The other issue is the transmission, I don't know for sure which tranny it is but the overdrive button does not work at all even though the fuses are good and when I drive down the highway second gear you have to let off for it to shift sometimes ( I've been leaning towards the valve body gasket for that) and lately it has started a horrible vibration kicking out of overdrive or just downshifting on hills etc.?
I forgot to mention it has 255k miles on it and I don't know the history besides the balljoint I replaced this week and radiator when I bought it.
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I have a 2008 FX2 5.4L F150. Recently it began to lose power on a friend driving it out of town. He got a check engine light then it just progressively became unable to produce power. It ran but he got down to 10 mph before he could get to a firestone. I got it to a local Ford dealer and they say i need a new engine. They gave me codes for cam sensor and timing and #5 and #6 misfire. (344, 345)
No oil in radiator, no water in oil. The crazy thing is it runs like the day i bought it in Park. But once in gear it begins to cough and then eventually shudders and dies. I haven't changed plugs ever. I know... At about 75 miles it began to idle rough at times and in reverse. But once I revved up it went away.
I replaced both cam sensors but no luck. Today i put it on a tow truck to get a second opinion from a local engine shop. I actually backed it down my driveway, and pulled up to the tow truck with no issues. weird...
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2011 eb just turned 36k. Today on breezeway it shuddered like it swallowed a bird, and check engine light flashed on. Went to see customer left and light was off. Back on breezeway and shuddered on entrance ramp so this time I stayed into it so either there's a light that will stay on or just launch it and this time the dealer will have something to fix that they can diagnose. Check engine light is on its fine as long as I stay out of the pedal. Still have 8 months left on power train warranty but what am I looking at for a diagnose, there is definitely a problem now. What the dealership should see?
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