Ford F-150 (2004-2008) :: 2006 5.4L - Shaking When Slightly Accelerating


Jul 24, 2012

Ok, I have a 2006 Ford f-150 5.4L engine. it has 88000 miles on it. Here recently it has started acting up on me. It starts shaking violently when I slightly accelerate going up hills at any speed. On level ground it doesn't do it. Going down hill it doesn't do it. When stopped it doesn't idle rough.

It does this shaking when I barely press the gas. When it starts I either let off the gas or I push the gas to the floor and it stops. What is going on? This is the first Ford I have ever known. I don't know anything about these vehicles. I have read it might be the coils and plugs but then people have told me it might be the torque converter.

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Ford F-150 (2004-2008) :: Shaking / Slightly Bouncing Up And Down At About 53 MPH

I have a 2007 an at about 52mph the truck has a slight but irritating bounce (up an down) an after a while sickening. It maybe felt it was coming from the rear. So I had the rear tires balanced an the guy said my right rear tire had a bend to it. Well assuming that the balancing fixed the problem it did not. So I'm going to put on the spare to see if it still bounces what else should I do?

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Ford F-150 (2004-2008) :: 2006 V6 - Shaking When Put Into Gear

I have a 2006 F-150, V6, automatic transmission, a little over 214,000 miles. When I started it up this morning, no issues, but when I dropped it into reverse, it started shaking pretty bad. Got on the road and put it in drive, and the shaking continued, then the check engine light started flashing. Haven't had any problems up to this point. Checked all the fluids including the transmission fluid a few weeks ago and all was well.

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Ford F-150 (2004-2008) :: 2006 - Rattling - Shaking Excessively?

I have a 2006 F150 5.4 3v rattling and shaking excessively. I have installed two new cam phasers, two vct solinoids, two vct housings, flushed oil and installed motor craft oil and filter. This never happens if bank two vct is unplugged or in open loop. Monitioring vct's on ids only bank two is erratic. Also when I had vct housing off I blew regulated air through oil passage seems free.

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Ford F-150 (2004-2008) :: 2006 - Shaking And Pulsating When Braking

After my 2006 Ford F150 Lariet started shaking and pulsating when braking (38,000 miles) I took the truck to the Ford dealer and asked to have my brake pads checked. They came back and siad they looked fine and I had alot of wear left. Then I mentioned that is was shaking and asked them to check it again, they drove it and then said my rotors are warped and I need to replace the rotors and pads. I don't haul, tow or do anything crazy with it.

Now, here's my questions:

1. Can the rotors go bad and the brake pads be fine?
2. Should I go with a ceramic pad or stick with the OEM?

I'm just a female and don't want to be taken advantage of at the dealers. Cost is not an issue when purchasing a good product.

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Ford F-150 (2004-2008) :: 2006 - Violent Shaking On Sharp Turns

I have recently been having violent shaking when I make a turn to pull into a parking spot or turn at a stop sign. I can park my truck and the truck continues to shake until I turn the motor off. When I restart the truck it runs fine. It doesn't do this all the time just sometimes. I have a 2006 Ford F-150 lariat 2 wheel drive.

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Ford F-150 (2004-2008) :: 2006 - Sputtering When Accelerating Heavy

I purchased a 2006 Ford F-150 XLT, 5.4 3V Triton. Last Thursday my check engine light came on, so I came to this forum and found out how to retrieve the code with out a OBD. It came up as a 0301 Misfire cylinder 1-10?

I went to the dealer and they said it was cylinder one, sold me a new plug and coil pack and they installed it for a nice $$$. On my way home it started to sputter again when you give it heavy throttle, I called they told me that I should change all the plugs and Coil packs, kinda makes sense but to have all 8 plugs and coils go at once it only has 83km on it.

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Ford F-150 (2004-2008) :: 2006 - Vibrates Only Whilst Accelerating?

I just bought a 2006 f150 exteneded cab w/ 5.4 V-8 and it vibrates when accelerating from a stopped position but not all the time---happens more when the wheel is turned. It definitely feels like the vib is coming from the left front side. I just got it back from the shop and the mechanic told me the vibration was stemming from the rear and that he exhchanged the fluid and added anti-friction additiver but that he expects the problem to continue.

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Ford F-150 (2004-2008) :: 2006 XLT - Smacking Sound When Accelerating

I've had my 2006 XLT F150 (5.4L) for about a month now and have recently noticed what I can only describe as a 'smacking' sound under my truck when I accelerate quickly. It sounds as if I had something stuck to my drive shaft that is slapping the underside of my truck....except I don't. I don't think that its the timing chain because it seems to be coming from under the cab (between drivers/passenger seat maybe). I hear it most often if I try to quickly accelerate from a normal speed (50mph or so) to pass another vehicle. I do not hear it otherwise. Starts with a 'tink tink' then sounds like something hitting the underside. I'm perplexed at what this could be.

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Ford F-150 (2004-2008) :: 2006 - Started Skipping Or Pulsate When Accelerating?

I have a 2006 f150 5.4l, and I have developed a problem. It seems the my truck has started to skip, or "pulsate" when I am accelerating. If I really get on the gas the "pulsate" goes away. This only seems to happen around 45-50 mph. Now this is where it gets weird. I have no check engine light on, and I have checked to make sure my light is working. I brought it to a garage and they told me something about Fords having a misfire issue that sometimes doesn't trigger a check engine light. . . . . now idk about that because every misfire I have seen triggers a check engine light, but I had them replace the spark plugs anyways. And it didn't fix my problem. At this point the only thing I can think of is possibly tranny.

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Ford F-150 (2004-2008) :: 2006 FX4 - Whining / Humming Noise While Accelerating

I just bought a truck, it has a whining noise while accelerating, stops while letting on the gas, does not do it in neutral even if i rev up the engine. Only whines while there is some force on it, ie.. accelerating, or going up a hill at any angle, and does it from about 10-15mph- atleast 60mph.

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Ford F-150 (2004-2008) :: 2006 - Stumble When Accelerating Around 45 MPH - Misfire On Cylinder 5

i just picked up an 06 f150 with 5.4l 4x4 xlt package. Love the truck as it is my 1st Ford HOWEVER..... the truck is running super rough at idle and keep getting code for cylinder 5 misfire and bank 2 lean (which i am assuming is from cyl 5). here is what i have done so far...

New Coil packs
New spark plugs
New fuel module
New fuel injector on cyl 5

Still has a "stumble" when accelerating around 45 mph and shows code for cyl 5 misfire then will then throw code for bank 2 lean.

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Kia - Sedona :: 2004 - Front Wheels Are Slightly Out Of Balance When Accelerating

109K and runs great except for when accelerating from start to any speed. The front end acts likes the front wheels are slightly out of balance. Once you stop accelerating all is fine. Tires have plenty of tread and no I haven't rotated them to the rear which I might do?

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Accent MC (2006-11) :: Front End Shaking While Accelerating At Lower Speeds

My 2007 Hyundai Accent gs shakes really bad while I am accelerating at lower speeds. I thought the front driver's side tire was loose or possibly had an air bubble, but could find no evidence of such. The rim and the tie rod looks fine, but it is shaking bad. It pretty much stops shaking when i reach higher speeds (60+mph), but when I am stopped and need to accelerate or turn it gets frightening.

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Ford F-150 (2004-2008) :: Clunking Sound While Turning Slightly

Recently when I leave my driveway which only has a slight grade to it my truck makes a clunking sound when I hit the gutter and while turning slightly. Also my front drive line from transfer case to front axle has some play in it. I can rotate the front drive line about 3/4" to an 1" while parked in the driveway. Changing u joints. I figured this would be a good starting point. 2005 XLT 4x4 5.4L F150.

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Ford F-150 (2004-2008) :: Idle Rumble Came Back Slightly And CEL Came On

I bought a '05 F-150 with a 5.4 with 112k miles on it a few months ago. It had been sold from an auction, looked really clean, and a good price. Not long afterward it started having issues with running rough at idle. That's when I found this forum and began reading. Tried different things but it only got worse and finally had a shop look at it. Cam phasers were not doing well. Not a cheap fix but more involved engine work than I had ever done so I had them do the work.

It ran fine for a few days and then the idle rumble came back slightly and the check engine light (CEL) came on. I read the code and it came back with a number that indicated air flow was an issue. Internet search said to clean the throttle body. Some threads on this site also said do the Mass Air Flow (MAF) sensor while I was at it. Much has changed since I used to work on cars as a kid. Everything has it own cleaner. I cleaned the MAF sensor with MAF cleaner. Cleaned the throttle body with throttle body cleaner (it was beyond filthy) and a toothbrush. Put it all back together (started late and it was dark by now) and took it for a quick run to see how it had improved. Instead of smooth, it started running even rougher, and within 100 yards went into fail safe mode. Now my mood is getting darker. Park it and go inside to watch the Aggies in their bowl game.

Good game but the truck is still running rough and I am losing confidence in my ability to do simpler things on it. I get up the next day and run codes on it. It had three codes all pertaining to air flow or the throttle position. I am thinking I screwed up the throttle setting somehow when cleaning or maybe only put the MAF sensor in upside down (that seemed unlikely since the screws only seemed to line up in one orientation). So I open the hood to check the MAF sensor just in case and find to my embarrassment that, in the dark, I failed to plug the MAF sensor back in. The problem was a loose screw holding the tools. I plug the sensor cable onto the sensor and take it for a ride. It runs great. Life is good. MPG is climbing higher on the onboard display. My confidence is returning even after humbling mistakes. After everything, I still love this truck.

So, now for the tune-up advice. The truck runs well but still rumbles slightly. Based upon everything, I believe it was well cleaned before it sold but maybe not fully serviced. Spark plugs were possibly never done. I intend to do a tune-up on it but do not know what has already been done so I'll assume almost nothing. The air filter looks brand new. The serpentine belt has nicks so that will be on the list. I am thinking of changing the following:

Spark plugs
Spark plug boots
fuel filter
serpentine belt
PCV valve
Oil was changed when the cam phaser work was done. So the advice really boils down to a question:

Is there anything else I should consider changing or doing or cleaning? I have not worked on cars much in the last 30 years but am beginning to enjoy it again.

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Ford F-150 (2004-2008) :: Slightly Rough Ride Around 70 - 80 Mph Sometimes On Interstate

I noticed a slightly rough ride around 70-80 mph sometimes on interstate a month back but thought it was my scalloped tires that need replacing and ignored it. Last weekend i had to go to MI from GA pulling a small enclosed tandem axle trailer (6x12). I started after work and made it to VA before stopping for the night with no problems not even at 70-80. Fueled up first thing in the morning (BP Fuel) and headed farther into the mountains when the truck started shaking when it should be downshifting (into overdrive I am guessing?)

No check engine light come on so i pulled off the road checked rear end and motor oil everything was fine, topped off tranny which was slightly low but was on dipstick .I let the truck cool for 20 min then got back going again. I continued driving with overdrive off, and not on the truck. Every time it had to downshift under hill climb it would start shaking but i would let out of the gas and it would stop. Once i got out of the mountains it was fine and couldnt tell it was running bad at low rpms, and also drove fine when i got off the interstate for fuel driving in towns.

I drove that whole day through ohio mich and back trough ohio when entering kentucky. It started to downshift and run at high rpms with no problem, and started acting up when i got back into the mountains.When the truck would go to downshift it started to shake uncontrollably again. then is when the check engine light come on and flashed. I babied in until tenn when i stopped at oriellys to hook up to scanner. scanner read misfire on 5 and ignition coil d primary secondary circuit malfunction. I checked the #5 plug (fine) and replaced the #4 coil, and didn't check the #4 plug.

t kept going and it never fixed the problem. stopped and jumped my coils around and check a few more plugs which all were fine but never that #4 (why idk), after being fed up, sat night, no mechanics around and wanting to get home i drove it the rest of the way. it never idled rough until i got almost home in Ga. When i got home the next day i pulled all plugs and all looked brand new still except the #4 which had the whole prong and tip completely burnt off. I replaced it and nothing changed, but my exhaust sounded restricted. Brought to a shop and it is now reading a misfire on 4 (with brand new plug) 5 7 and 8 and also saying it is running lean. They changed fuel filter and plugs but nothing still.

2004, f150, 4.6, 4x4, stx, short wheel base, 3:55

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Ford F-150 (2004-2008) :: Feels Like Driving On Slightly Bumpy Road When Hit 50 MPH

When driving my 2006 F150 it drives real smooth until I hit 50, then it feels like I'm driving on a slightly bumpy road, once I hit 55, smooths out again. Only drives strange at 50 mph. Other speeds smooth as glass.

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Ford F-150 (2004-2008) :: Transmission Or Ignition Sputtering When Accelerate Slightly?

2006 F150 FX4 5.4L, 118k miles... At highway speeds (45-50) and (55-60) as I am slightly accelerating it feels like the transmission or maybe ignition system is skipping a beat. Kind of feels like a small bump. I replaced spark plugs with motocraft about 35K miles ago and recently all transmission fluid via cooler line. Had some concerns about system flush so I just drained and refilled entire system via cooler lines. I have read that it could be my COP's ...

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Ford F-150 (2004-2008) :: Trans Bangs Between Two Gears If Slightly Accelerate

I picked up my 2005 F150 4x4 last winter. It has 135k miles & a slight tranny problem.

When cruising around 45 mph - right between where it wants to be in top gear or not - if I slightly accelerate the trans BANGS between the two gears.

I mean repeatedly bangs - it is not a smooth shift where it can't decide which gear to use - it is a hard BANG where it can't decide which gear to be in.

What gives? I can usually stop it if I turn on the towing button - shutting off high gear.

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Lexus GX 2004-09 :: 2005 GX470 Shaking While Driving When Accelerating Above 20 - 25 MPH

I have a 2005 GX470 with about 50K miles. Over the last few weeks it started exhibiting a weird problem. When accelerating above 20-25 MPH it starts shaking. Not the steering wheel. The entire car is shaking as if driving over rocks. It is pretty annoying, and I am now concerned as it seems to have gotten somewhat worse than before.

Tires are rebalanced and rotated, so i dont thing it is that. My wife is freaking out, as she is driving it with 2 small kids.

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