Revs up problems

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Idle speed high

2001 Ford F-250 F 250 super duty 313000 miles
Truck idles at 1100 rpm and jumps as high as 2500 rpm. I've changed the TPS The IAC new air filter.
Stevie V from United States 3 years ago  
ST
5 reports 
Sanford from United States 4 months ago
Maybe sticky fuel injectors.
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Running bad after warm up

2004 Ford F-250 Base 5.4 v8 f250 145000 miles
Once the truck warms up and put in drive it will barely run. If you're in park you can Rev it up and it's fine. I've replaced plugs, coils, fuel filter, air filter, and injectors. I also drained the old gas as it had been sitting, washed and dried the tank completely and refilled with new. I checked the fuel pump and it runs perfectly fine but I'm stumped.
Joemonkeyman99 from United States 2 years ago  
JO
3 reports 
Hannah from Canada 2 months ago
I have the same issue with mine. 5.4 triton also. Don’t find you can drive it find at a lower rpm and as soon as you try to accelerate rapidly and it downshifts that it basically bogs out and loses all power? I replaced all those things in mine also, besides injectors or fuel pump. Im also pretty stumped on this issue
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No fuel lost of powe

1999 Ford F-250 Superduty 7.3l diesel 290000 miles
Truck died driving down the road changed fuel pump and fuel filter...then noticed that there wasn't any fuel getting to the bowl at all...did some research and dropped the tank pulled sending unit and the foot screen was completely disintegrated and found tiny pieces of plastic in sending unit line Just before The 2 filters...explains the lack of fuel to the bowl...cleaned tank replaced sending unit and filters put everything back together and it ran like a champ for about 3 hours then started to run rough and has progressively gotta worse day by day...now it starts but wants to die until warm… Read complete
Strokin from United States a year ago  
ST
1 report 
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