Ford F-150 (2004-2008) :: 2006 Truck Starts To Skip And Shudder Under Acceleration At Around 40 - 45 MPH
Oct 19, 2013
I just bought a 2006 F150 with the 5.4 triton motor. Under acceleration at around 40-45, the vehicle starts to skip and shudder.
Based on what I read online and the fact that I pulled a code for a #1 cyl misfire, I assumed that i just need to change the plugs, and I am trying to scheduule that now.
I just read another post about the TC not locking up due to needing the filter and fluid changed and a way to fix that would be to take OD off and see if it still does it.
When I drive with the od off, it does not do it but i am now confused since i got the one code for a misfire.
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Just rejoined this Ford gang after years absence. Used to own "The Muny Pit", a '79 F-150 4WD monster with a '69 429... constantly breaking something. Anyway, where to look on my '08 F-150 XLT 4WD with a 5.4, 83,000 miles. Searched the search bar for my title and found a post on an '00 Expedition describing similar issue than mine... for about 6 months now when I accelerate either from stop or a crawl; forward or reverse; more so when turning, but does do it wheels straight.
Upon initial acceleration I have this horrendous rumble / shudder in the truck, like the grinding metal bearing sound/feeling felt when the pinion bearing went out on my '79 (only felt it seconds before the 9" rear pumpkin exploded). Once rolling it stops. I have checked all wheel bearings.. I have check all the suspension joints... everything looks fine, no obvious issues. The only suspension mod I've done is a 1.5" leveling kit when brand new. On the Expedition two replys suggested changing the transmission/transfer case fluids claiming it cured their vehicles.
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I have a new to me 2005 F150 with 86,000 miles. When I am driving through town at a low acceleration or a constant speed at between 40 - 50 mph the truck starts to sputter and kick a bit. When I give it some gas the problem goes away. This gets worse when I pull my bass boat, and starts at around 30 mph. When I hook it up to a reader I get a P0316 code. Only code I get.
Also when I am driving through my neighborhood between 20 - 30 mph I get a noise that sounds like there is a plastic bag stuck under the truck. I have checked under the truck to see if the firewall is loose anywhere, but could not find anything. Other than those two issues the truck runs great. What these problems could be?
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I need to change my plugs in my 06 5.4 122,000 miles truck is bucking and not right under acceleration but its my only transportation to work and I am afraid of breaking a plug and then having no clue what to do after that. Need input on making the plugs come out easier ...
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I have a 1987 ford 350 when i go up a steep hill the truck starts to skip and break down to a point where I have to pull over i just put in new fuel pump in tank, what could be the problem only happens on hills.
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I have an 06 F150 2wd with the 5.4. Today on my way home I had to cross traffic while getting on the highway and had to get on it a bit. When I gave it the gas the truck down shifted then just fell on it's face until I let off the gas a little then it sped up like normal. It normally runs great but I don't get on it much. I just don't see why It runs great until I try to get a move on.
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I have a shudder that happens when turning right at a grade of about 10% while accelerating, and only on that condition. While making a routine drive somewhere, there's a turn with that one condition. Every time it shudders. It doesn't bother me because it happens so rarely...
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I finally upgraded from my 1998 F150 5.4 to a 2008 F150 Lariat supercrew 4x4 5.4 3v with 83k miles. I've had the truck about a week and have already noticed an issue. During light to moderate acceleration, I notice a slight hiccup in the 30-40 mph range. This "hiccup" is best described as a quarter second dead spot in the throttle. At times, I have noticed an additional hiccup between 20-30 mph that does the same thing. Occasionally, I will also feel a slight vibration on take off. It's important to note that if I accelerate at a quicker pace or really get on it, I can't feel the issue. I have also had a tough time replicating the issue when I deactivated overdrive. Not to say it wouldn't do it, but I really couldn't tell if it was doing it. Also, I've noticed that when I really get on it, It takes maybe a second to catch before accelerating. (From what I've read, that's common for 5.4s though, just thought I'd note it)
I have had spark plug and coil pack issues out of my 1998 model, but they felt different than what this truck is doing. Is it possible that this is the same issue but is manifesting itself differently? I briefly spoke with my mechanic and he seems to think it sounds like a torque converter issue. He checked for codes and none were showing or pending in the computer. Transmission shifts good. Fluid is a pinkish orange color, and there are no metal shavings on the oil dipstick. I started to notice the truck would sometimes shift a little hard into 4th. I took the truck by my mechanic and he rode with me. I was able to replicate the original issue. He told me it felt like something in the transmission. He said that my fluid smelled a little burned to him, but it was still a pinkish orange color. He said he would service the transmission and adjust the bands. The truck has 83k miles so I'm not too worried about a major transmission problem. He said he was fairly certain the servicing would correct the issue. I'm also going to have him put a new set of coils and plugs on as well. Am I missing anything?
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I picked up a 2004 F150 a few weeks ago. It has the limited slip 3.73 rear end. During acceleration on turning, I'm feeling quite a bit of chatter out of the rear end. I've read the TSB on it, and I'm wondering how much it'll cost to get the clutchpacks replaced in the rear differential.
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I am having a minor problem with my 05 F150 Lariat. Under light acceleration going up a slight grade the truck sometimes shudders (vibrates?). If I let off the gas or accelerate slightly it stops. At first I thought it was a feedback loop with the electronic throttle so I had the dealer reflash the computer but that didn't fix it. I've noticed that it happens right about the time the torque converter locks (looking at the tach) and I'm sure it has something to do with torque converter locking up and then disengaging continuously. Funny thing, it seems to happen frequently on the same hill at the same speed. What was done to fix it?
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About 6 months ago I bought a '08 GS 350 CPO. Love the car but after a month or two of ownership, on light acceleration 3rd and 4th gears will shudder. The whole car will buck and shake, but if I give it more gas it will smooth out. Doesn't seem to be the engine, I suspect more the transmission. Of course I took it in and they "could not reproduce the problem"... Is this just a normal characteristic of the car?
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I just recently bought a 2000 excursion 7.3 diesel. I'm new to diesel but learning. So far I've installed a new drop in filter in my airbox. Cut out the plastic behind the grill for cold ram air into the intake. I've done the FPR mod and cleaned out the exhaust back pressure tube. And last but not least I installed an Edge Evolution 2 programmer running stage 3 with timing advanced 2 degrees. Nothing else to the custom settings other than what stage 3 provided. Here is my problem. On the freeway at 65-75mph cruising with the cruise control on, the truck starts to shudder. I suspect my TC lockup is going out but not sure. So I wanted to test it buy installing a manual lockup switch. So I installed the switch running a wire from the plug going into the transmission on the purple with yellow wire using a saddle tap to a switch to part of the dash frame under the dash. Went to test out the switch and nothing happened.
As y'all and other forum's have described I should feel something and the od light should start flashing. I get nothing. Tried testing the switch and my ground source and everything tests out fine. Tested the saddle tap. Its fine. Tested with the switch on and using a meter to check ohms at the tap to the frame of the truck I'm getting 8ohms. I would think there shouldn't be any resistance because its a dead short but that's what I'm getting. Am I connected to the right spot on the transmission or should I move the tap to the plug under the brake master cylinder. Could my TC lockup solenoid be going out and that's what's causing the shudder and why the manual switch doesn't work.
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When I put truck in 4wd rear end starts locking up. Take out of 4wd its fine. Just put 2 quarts of fluid. They didn't have the 75-140 so I put in 85-140 was that bad. Had rear rebuilt a year ago. Mechanic said he had to put a different gear assembly because ford didn't make the original any more. Ever since this was done rear just never seemed right. Now in 4wd if I go straight it's fine but as soon as I make a turn rear locks up almost coming to a grinding stop.
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I have a 2004 fx4 with a 5.4L. i have an edge performance programer and these are the codes that are coming up....
1) P0121
2) P2104
3)P2106
4)P2111
5)P2135
I have cleared these codes and reset the main computer the truck barely starts and will not accelerate...could the spark plugs be an issue...
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Read a few references but nothing seems the same as what I have... 2001 Ford F150 Larite 5.4L 4 x 4
When slowing down, at speeds of 3 to 4 miles per hours truck starts to shutter. It is not an engine issue, nor a brake as it will occur with brakes on or not applied. Engine is running smooth, seems more mechanical that fuel or brake related. Shutter is not slight either.
Both CV axles, hubs, rotors and upper and lower A Frames have been replaced. Shutter was happening prior to the replacement, they were replaced as preventive maintenance. Shutter is profound enough to shake the mirrors. What it can be.
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We have a 2006 F150 w/new engine, new everything but transmission and cat. converter. When driving in warm weather with the AC on and at low speeds or idle the engine will knock and want to cut out but you rev and turn off the AC and it stops. Only with AC on. We replaced fuel filter, fan throttle took to dealer and updated the software which it stopped for 3 days and started again today. Could it have to do with AC compressor or low refrigerant?
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4.7 ltr 2WD starts fine and while cold runs fine. Seems after an hour or so of driving the engine begins to skip. Will idle just fine but when giving gas the engine skips and refuses to accelerate beyond 1700 rpm. Had the cats changed 6 months ago. someone suggested the MAF sensor might be bad....so cleaned it. Still runs rough. I suspect it might be a sensor. If I leave the car overnight ...runs fine in the morning. Engine gets hot....begins to skip and cannot accelerate unless going down hill. Vehicle skips especially when under a load.
Does the MAF sensor have anything to do with this? Maybe it could be the Engine Coolant Sensor? Not sure what to do. Don't want to throw parts at it without some idea what is causing it. BTW...no check engine lights at all. And nothing showed up on the computer when it was running rough. Tech told me cylinders 2 and 4 were not firing properly but immediately after cleaning the MAF sensor the car ran fine for 4 minutes then problem returned.
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I took it to the dealer and they blamed the trailer. I told them that I have pulled two different trailers and it did it with both. Then he said that the trailer was not heavy enough to weigh down the springs. So now I not suppose to tow an empty trailer? Also my father in law has pulled the trailer with his Z71 with no shake and the other belongs to a neighbor with a 98 F150 with no shake. The vibration only starts above 45mph. Any clue as to what could be causing this?
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Truck had been running with a bit of a skip and shuddered after throttle was applied and then stopped (would drop to 400 RPM and shake real bad). Had some misfire codes so I decided to do some digging. Where to start looking for air leaks pre upper fuel bowl?
YouTube.....
Also, does this mean the air has toasted my injectors?
YouTube.....
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This is concerning my little brothers truck. It is a 2008 4.2 liter with around 55,000 miles on it.
He drove it to work today, and called me this afternoon saying that the truck starts then dies a few seconds later, and the battery light illuminates. He and a coworker checked the battery and connections....cleaned off corrosion on terminals, battery reads 12.xx volts without a load on it, it is the original though.
As of right now he is changing the fuel filter which hasn't been done yet. I also know of issues with the fuel pump driver module. I remember checking the one on my 2005 back when I owned it. As I recall it causes a no start condition, but would it cause a start then stop condition like this? He will check this when he is done with the filter.
Anything else that we can check in a parking lot to try and at least get it home?
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So my 06 6.0 4x4 is just about to break 200,000km and I've done most of the upgrades and work myself. (All the updates are in my Sig). My problem is that when I'm cruising and the engine is at full operating temp, if Im bellow 80-100km/h nothing but as soon as I break into that speed range about 2000rpm the truck will start to shudder. Almost feels like its not firing properly is the best way to describe it. Why this could be happening or causing it?
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