Ford Super Duty (1999-2016) :: F250 - RPMs Surge When Let Off The Gas While Driving

I've got a 99 f250 5.4 that runs like a top. In the last 6 months I've been chasing a little problem. It doesn't happen all the time but seem to be happen more and more. While driving any speed If I let off the gas the RPM's hold at around 1500 then surges down to 1000 then back up again to 1500.

Does that 2 to 4 times then all good. Give it gas again it does it again. It kind of does it when it wants. Could be fine for a trip around then next trip it acts up again. Checked a lot of the vacuum lines, PVC valve and replaced the idle control next to the EGR valve. EGR is next.

Idles and runs fine except the surge thing..

P0401 code as well.

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Ford Super Duty (1999-2016) :: F250 Cutting Off When Driving Down The Road?

While driving down the road the truck will just cut off. We wait a few mins and start it again can drive a few miles and it cuts off again. we have replaced the ignition coils and it is still doing this. No codes are coming up to get any idea what it can be?

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Ford Super Duty (1999-2016) :: F250 Started To Shake For At Least 3 Or 4 Seconds While Driving

I was driving my 99 f250 superduty and out of no where it sounded like i had blown a tire started to shake for at least 3 or 4 seconds pulled to the side of the road got out and check tires were good, got back on the road with no more problem.

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Ford Super Duty (1999-2016) :: 2003 F250 - Fuel Started Leaking While Driving Cold

This morning while driving cold a fuel leak started on my truck it's a very heavy leak wondering what are the most common leaks on an 2003 F250 6.0L are so I can start there.

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Ford Super Duty (1999-2016) :: 2003 F250 - Surge / Lag When Shifting

I just got 03 f250 with 6.0 and when shifting has a weird surge/lag thing happening. Reminds me a little of the old 7.3 surge when it was just started on a cold day. Seems to be worse in higher gears.

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Ford Super Duty (1999-2016) :: 2003 Truck Started Losing Power When Going Down The Road And Then Died

I have an 03 with a 6.0 diesel, going down the road and started losing power and then died. Won't start, and I don't have a scan gauge. Several sources said ipr valve, and from videos on youtube I thought may be a good place to start. I bought a socket and pulled the valve, to check the screen. There is no screen whatsoever on the ipr. The oils clean, as I had changed it about 200 miles ago, and I ran a magnet in the hole looking for a screen, couldn't find anything so I used my fluid pump in the hole. No trash, screen or anything. Do some ipr valves not have screens? What would be my next step??

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Ford Super Duty (1999-2016) :: Getting Vibration Driving Down The Road

01 F350...4R100/V-10/4wd. Sometimes get a vibration driving down the road. First thought of tire out of balance but then the vibration goes away and may not come back for a few days or more. It starts sometimes around 30-40 mph and stays all the way up to around 65 mph. Even slowing down it vibrates or shakes. I can stop and take off again with nothing happening. Would think tires out of balance would do it all the time. And a few times....pulling my 5th wheel...making a right turn out of a parking lot.....it feels like a rumble from the rear.

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Ford Super Duty (1999-2016) :: 2002 F250 Truck Wanders All Over Road

It's an 02 f250 4x4 crew with 7.3, 6 in lift and 35 in tires. It has all ways wandered a little bit and I just accepted it. I changed everything in the steering from ball joints, tie rods and drag links less than 2000 miles ago. Everything still seems good and tight. Recently it has gotten a lot worse so I checked again and everything seems to be tight. Where to or what to check next? It's to the point I don't feel safe letting my wife drive it and I don't enjoy driving it.

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Ford Super Duty (1999-2016) :: Loud Spinning Sound When Driving Down The Road

I have a 2004 Ford f250 6.0. When driving it down the road i will hear a loud spinning sound, sorta like putting a playing card in your bicycle spokes. The sound can be heard until I make a complete stop where at that time the sound stops and a clunk can be felt. After that the truck sounds normal. This also only happens once between starting the truck and turning it off. I took it into the shop and they could not hear the sound, all they said is i need new ball joints.

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Ford Super Duty (1999-2016) :: Steering Went Out Completely When Driving On A Straight Road

A few weeks ago, my employees were driving home one of my work trucks, a 2001 F350 7.3 4x4 Crew w. 130K miles. They were on a straight road in a small town when the steering went completely out. The truck veered into a telephone pole. No one was injured. The truck has major damage to the front passenger's side.

I finally got the truck back to my shop today. It is quite evident what caused the problem. The gear/splined shaft that protrudes from the steering box and is connected to the pitman arm sheared completely off.

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Ford Super Duty (1999-2016) :: Engine Died Suddenly When Driving Down The Road

2004 F-250. 6.0 I was driving down the road when the engine dies. It was like I had turned off the key. When I tried to restart it, it was no click, no starter sound, nothing. The glow plug light remained on, even while turning the key over. What could cause this?

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Ford Super Duty (1999-2016) :: 2000 F250 5.4L Just Quit While Off Road And Wouldn't Start Back Up

I have a super duty with the 5.4 in it. it just quit while off road n wouldn't start back up. pulled it back to camp, wiggled wires around cam n crank sensors n it fired up n stalled numerous times then just wouldn't even fire back up. loaded on trailer n brought home, buddy put his tester on there n said there was no rpm reading so I replaced the crank sensor, it fired up n stalls still. wires seem to be good to crank n cam sensors. don't have a manual to tell me what relays are what.

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Ford Super Duty (1999-2016) :: F250 Started By Itself Suddenly?

My 1999 f250 superduty with the 5.4 was sitting in front of my house, and started all by itseft, did not have keys in it either and the doors were locked. I ran out thinking someone was stealing it but nope,? As far as I know it does not have a remote start either,i have owned it for the last two years and it has never happened before. It is a lariant edition also .

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Ford Super Duty (1999-2016) :: Unable To Shift Into Overdrive / Higher Gear While Driving Down The Road

1999 5.4 ... I was just driving down road and truck suddenly wouldnt shift into overdrive/higher gear. pulled to side of road and the motor was revving very high at 2500 rpm. shut truck off and on a few times...kept doing it until finally after a while it went back to normal....

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Ford Super Duty (1999-2016) :: 2004 - Hesitate / Loses Powers And Shuts Off When Driving Down The Road

I have a 2004 6.0 133000 miles will be driving down the road will start to hesitate and looses powers and shuts off. wont start back up but if you wait 10 to 15 minutes will start up and run just fine. wont do it again. Just had new head studs put in new head gasket and egr delete 2 new injectors put in

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Ford Super Duty (1999-2016) :: F250 V10 Started To Lose Power Off And On

My 1999 F250 V10 has started to lose power off and on. It will run fine then when I stop at a light or sign, then when I take off it runs like I pulling something heavy. If I stop again it goes back to normal sometimes. 161000 miles. No check engine light is on. Motor idles perfect and sounds great. I don't know anything about motors...

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Ford Super Duty (1999-2016) :: F250 Started To Shake When It Idles

I have a ford f250 with a 5.4l 2v engine and lately it started to shake when it idles. i have changed all the ignition coils and spark plugs, the injector are fine, but i cant seem to pinpoint the problem. the weird thing is that there are no codes. the fuel trim on bank 1 is around -8 and bank 2 is at almost positive 20 and higher.

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Ford Super Duty (1999-2016) :: 2006 F350 - Low Side Oil Pressure After Driving Down The Road A Couple Miles

Have a 06 f350 just rebuilt the engine. Started up ran it down the road a couple miles and lost low side oil pressure. Got back to the house and will not start again so put a gauge on and it only has 3 lbs after cranking for 10-15 sec. Pulled the balancer and lpop cover and front cover had some deeper scoring then before. No noticeable stuff in the pan or filter. Changed out the front cover and lpop. Still has only about 5 psi.

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Ford Super Duty (1999-2016) :: 2001 F250 - AC Just Randomly Started Blowing Hot

I have a 2001 f250 superduty 7.3L diesel and my air conditioner just randomly started blowing HOT south texas air. I tried to recharge it with refrigerant but the gauge said that it was over charged as soon as I plugged it into the low side port. What is wrong???

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