Ford F-150 (2004-2008) :: Knocking When Idling Very Rough

My truck is idling terribly and knocks while doing so, little info is

The truck has 170k miles, I just bought it about two months ago and it was running perfect, drove it to the beach two or three times (4 hour drive) no problems whatsoever. Two weeks ago I noticed it start rocking a bit at idle ONLY when warm, check engine light came on so I ran the code and it said the Cam shaft positioning sensor was bad so I replaced both of those, then the next code I got was for the vct solenoids, replaced both of those and the problem is still persisting. It is odd to me in the fact that when its cold, it runs flawlessly, no problem accelerating/idling/maintaining speed/smoke nothing at all.

As soon as it gets warm it will still do everything flawlessly EXCEPT idle. the idle rpm is around 300-400 and it rocks and knocks terribly.. If i am stopped and I apply some throttle in park or nuetral, just enough to get the rpm up to around 800-900, its perfectly fine. no more rocking no more knocking but as soon as i let my foot off the gas it goes right back to feeling like its going to fly out from underneath the hood.

So my question is why is this? What on earth is going on here? and how do I fix it? And why is there not a manual idle control. Ford place said there was likely damage to the head and recommended a full engine replacement.

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Ford F-150 (2004-2008) :: 2007 - No Heat After Idling For 3 To 5 Minutes

2007 f150 5.4 supercrew, average temp for the last 2 weeks was -27. I plug the truck in all night it starts good and idles down fast engine is warm. no heat after idling for 3-5 min and then try to drive it takes another 5 min for the temp gauge to hit full temp 192. then my windows fog over even the dash and there is minimal heat coming out takes another 10-15 min to clear the windows. what the "F". fulid levels up, winter front on, block heater works, not using or smelling antifreeze, brush off every last speck of snow and I still have to pull over on the highway and wait......should have kept my 95 5.8l.

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Ford F-150 (2004-2008) :: 2007 - Idling Rough And Stumbling A Bit

I have a 2007 F-150. Here is the story....

Last summer the truck was idling rough and seemed to be stumbling a bit. Took it to the dealership and had it diagnosed. Had a mis-fire code on cylinders 1 and 3. I was told to do the spark plugs and clean the MAF. After replacing all plugs and cleaning the MAF the truck seemed to run better but it didnt last long before it started doing the same thing. My Edge Evolution started showing misfire codes in cylinders 1 and 3 again and the truck is stumbling like crazy. Here is what i have done:

1. Swapped the plugs from cyl. 1 and 3 with cyl. 5 and 7 and the problem followed.
2. I replaced the bad plugs with new ones and i no longer get a code for those cylinders but the truck is still acting the same.

Now I am getting two codes saying the system is running rich on bank 1 and 2 and a misfire code in cylinder 4. I cleaned the K&N filter and replaced the MAF but it is still the same. The truck stumbles horribly under a load and has NO power.

History:
2007 F-150 5.4L Lariat
75K miles +/-
K&N Filter
Edge Evolution (has been kept in stock mode)
new spark plugs last summer
new MAF (this week)
New Fuel filter (two summers ago)

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Ford F-150 (2004-2008) :: Engine Noise During Acceleration

I noticed the problem today when I was driving to the store. I was going around 60 and went to pass a car. As soon as I hit the gas there is a popping noise coming from the engine compartment and it had no power. It only does it between 50-65 mph.

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Ford F-150 (2004-2008) :: Engine Knocking Noise Out Of The Top Of Motor

I have an 04 F150 Lariat with the 5.4. I get alot of noise out of the top of the motor. I hear lots of stories of sludge issues, is that the problem or do I need to have the motor gone through? the knock is not horrible but when the motor is warm the noise is pretty apparent!

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Ford F-150 (2004-2008) :: Engine Noise Under Mild Acceleration

I have a 2005 F150, 5.4 triton. I bought the truck used and it came with an Edge tuner. It's lifted with 35's.

Under mild acceleration I get a psst-psst-psst-psst-psst-psst type noise. Sounds almost like air... It only happens in drive when you get on the gas and put a load on the engine but not always. It doesn't seem to happen if you mash the pedal...

I can't seem to replicate this sound in the driveway. I've never heard this sound before.

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Ford F-150 (2004-2008) :: Knocking Noise From Engine - Cam Phaser?

I have a 2007 F-150 4x4 5.4L. I recently had a problem with my engine. It had the knocking noise thats known for the 5.4. My issue is i replaced the engine (it had 275,000 miles and was a work truck before i bought it) As well as all the timing components including the hydraulic tensioners, new phasers, new guides, new solenoid, and a new camshaft positioning sensor and it still isnt fixed.

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Ford F-150 (2004-2008) :: 2006 5.4L Idling Very Rough And Had A Terrible Miss Around 1200 RPM

I have a 2005 5.4 F-150. First off it came to me on a rollback because the owner tried to replace his plugs after he noticed it missing and of course broke one off. So after I extracted the plug from #8 cylinder and installed a new plug I cranked the truck and it was idling very rough and had a terrible miss around 1200rpm. I pulled the codes and got several misfire codes and ignition coil faults on #5,6 and 7 cylinder. Popped in 3 known good coils in these 3 cylinders with no difference.

On Mode 6 on my diagnostic software you could watch the misfire count steadily increase on #7 and every now and then there would be a single misfire on #5 and 6. It also had several codes for O2 sensors biased, stuck rich on that bank. Well since it had a brand new plug and coil, I popped an injector in #7 and havent had a single misfire on it since and it also started idling alot better and all the O2 codes went away. The problem I am having now is #5, 6 and now 8 will randomly misfire, sometimes build up a steady count on one of them, sometimes just skip around between them.

The truck has brand new plugs in all 8 and new coils on this bank also. The truck has 115,000 on it and does have some cam phaser noise on the bank causing the problem, but its not too terribly bad, I have heard alot worse. My problem is something on that bank only as the passenger side bank is fine. I am wanting to say cam phaser now since this is the side with the noise. I have changed them before but have just experienced the noise, never one running like this because of it. Possibly jumped time a little?

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Ford F-150 (2004-2008) :: 5.4 Engine Has Top End Noise On Right Side And Runs Very Rough

2008 f150 5.4 30,000 miles the engine has top end noise on the right side and runs very rough no codes cam problem ?

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Ford F-150 (2004-2008) :: Whining Noise From Engine - Idler Pulley?

I noticed my engine whine more than it usual since the last few days. So, I took it to the dealership and have them check. They said that it is the idler pulley going bad.

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Ford F-150 (2004-2008) :: Tapping Noise Coming From The Engine After Oil Change

I just bought an '04 F150 from a friend. It has 250K miles on it. When I got the truck there were no tapping noises coming from the engine. Now that I changed the oil, at start up till about 5 miles down the road, I hear the tapping noise. I put Castrol high mileage 5W-20 in it. Could it just be the oil I'm using or something more expensive?

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Ford F-150 (2004-2008) :: Transmission Noise Stays Constant Regardless Of Engine RPM

Truck is a 2008 F150 5.4 4x4. I changed the spark plugs the other night for the second time. Everything went smoothly. Got the truck put back together and cranked it up afterwards to let it run. Truck ran great, but as the engine temp got up around 150 degrees, I started hearing a very loud ringing sound. I shut off the engine, double checked all connections, removed the belt to rule out accessory drive noise. No luck. The noise stays constant regardless of engine RPM, so I decided to drive it. I found the noise fades away under load, then returns as soon as I let off the throttle. I attached a GoPro to a cross member near the transmission after narrowing the noise down to the bell housing area.

Attached is a link to the video I made : 2008 F150 5.4 Noise - YouTube...

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Ford F-150 (2004-2008) :: Engine Noise - Knock Or Tick At 1000 RPM

Knock or tick at 1000 rpm. Truck has 20000 miles on it. Dealer replaced cam phasers. What next?

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Ford F-150 (2004-2008) :: 2006 - Rough Idling When Warm And Dying At Stops Or In Reverse

My brother's 5.4 has been rough idling and dying at stops and in reverse for a few weeks now. Today it threw a code and he finally had me look at it and it's a P0345 code. I was thinking cam phasers possibly, but I didn't think that would cause a code to throw. Also, all I hear about cam phasers is that it makes the truck sound like a diesel, but his when it's about to die sounds like the engine is about to drop out the bottom of the engine bay. Really rough, REALLY loud knocking, etc... What we should be looking at replacing to get this thing back into shape?

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Ford F-150 (2004-2008) :: Horrible Noise Coming From The Engine - Alternator Bearing?

This monday i found this horrible noise coming from the engine... My first thought was a pulley bearing, yet none of them at the front appeared to be the cause, and standing in front of the bay it sounded like it came from the engine itself (which would be really bad news). Well, i parked the truck until today and i went to check if i could find the cause. I used a mech's stethoscope at the engine and found nothing strange, turned the engine off and touched the pulleys to feel if any was getting hotter than the others... no dice...

Then took the belt off and tried every pulley by hand, all worked ok, yet when i turned the Alternator's it flashed a little spark every now and then (that was just a hint, i wasn't sure). To finally rule out the engine, i turned it on without the belt (that would leave all the pulleys out of the equation). It worked fine and made no strange noises. I cleaned several pulleys and placed the belt back, and turned the engine on once again, this time keeping my attention at the alternator, enough said, it made several spark noises and suddenly, i saw a cap flying of its back. It turned out to be the bearing at the back of the alternator, it was destroyed and losing shrapnel all over, take a look:

Now, need to know what is the part number of the measures of this bearing. (I'll take what's left of the bearing to the store, but i like to be sure of what I'm looking for).

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Ford F-150 (2004-2008) :: 2006 Truck Making Noise That Is Coming From Engine

My 2006 f150 was making a noise that's coming from the engine. It sound like rocks in the engine. When I'm going 50-60 MPH the engine starts to make a sounds like rocks in the engine. What's happening. When I go about 40 it stops.

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Ford F-150 (2004-2008) :: Popping Noise While Driving Or Parked With Engine Shut Off

2008 F150 4.2l Popping noise cannot detect source. When the truck gets warm it makes popping noise while driving or parked with engine shut off. Noise is getting louder. This truck has about 50,000 miles on it."

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Ford F-150 (2004-2008) :: 2007 XLT Won't Start - Random Rough Idling Spell Or Stall Going Down The Road

I have a 2007 F150 XLT, Supercab 6.5' bed, 4x4 5.4 Automatic with 67000 miles on it. Its not a Flex Fuel

Over the past couple of weeks it would get go through random rough idling spell or stall going down the road. If it was sitting it would idle clear down to 200 RPM's and just sound like an old 'chitty-chitty-bang-bang' car, not a modern marvel of Ford engineering!

I noticed it particularly does it this on an incline. Initially I fixed it by just coasting to where it was flat. I normally keep it above half a tank so i dont think its a fuel pump not getting fed. So I replaced the fuel filter yesterday hoping it was full or clogged, no changed.

This morning it would start at all, I removed the negative terminal on the battery, rolled to the level, tried it 30 times. Nothing. I checked all of my connectors under the hood and the 2 below the cab under the plastic cover. Everything was connected. I disconnected the fuel pressure sensor and it fired right up and runs smoother than since I've owned it.

It hasn't had any CEL lights, until I disconnected that sensor. Should I drop the tank and clean it? Is there any special gasket kits or connectors I should be aware of? Should I just replace that sensor? Is it connected with a chain of sensors I should check first?

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Ford F-150 (2004-2008) :: Whining Noise From Front Of Engine Around Idler / Tensioner / Alternator

My 2007,4.6 is making a whinning noise from the front of the engine around the idler/tensioner/alternator. What I have read it might be a problem with the alternator getting cold, I forgot to mention it's cold up here. Fixed by changing the alternator and did the noise come back as it seems to be a design problem?

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