High RPM problems

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Truck shakes and vibrates when in gear shifts in high rpm's

Ford F-150 1999 Xlt 5.4 triton v8 278690 miles
My truck when in gear stopped it shakes and vibrates really bad and wants to die it also will only shift gears at really high RPMs
Devilbaby from United States 10 years ago  
DE
7 reports 
Trucknut from Canada 10 years ago
Father in law had same problem dealer told him to but thicker oil in it runs fine now
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Oil low pressure

Ford F-150 2017 Turbo ecoboost 3.5 200000 miles
At the start, engine has a sound like hitting something, and after a couple minutes, warning low oil pressure, but back to the normal when I accelerate, sometimes appears the warning in high rpm (2500) and doesn't recover with the gas pedal. I have codes of crankshaft position sensor problems. I'm thinking to replace timing chain, but before start, any advices?
JotmanV from United States 9 months ago  
JO
4 reports 
JotmanV from United States 8 months ago
I decide to replace timing chain, phasers, solenoids, oil pan, rotors, oil pressure sensor. I'm still working on it
JotmanV from United States 8 months ago
After I disassemble the oil pan and skirt to unmount the oil pump, I inspected it and the oil pump doesn't look good, has a lot scratches and now I'll replace it
Witcher from United States 7 months ago
I plan to replace the chain, oil ppen, and pressure senro that does not in good condition. Here: https://animeswitcher.com/.
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Engine idles high

Ford F-150 2001 5.4L 140000 miles
My 2001 ford f150 5.4l will sometimes idle at high rpm when parked and the gas pedal is not pressed.
Luke from United States a year ago  
LU
2 reports 
Alex from United States a year ago
Mi motor triton 5.4 funciona perfecta mente a altas revoluciones pero si baja menos de mil en un alto o estacionamiento se apaga
TTWS from United States a year ago
Ive got a 2023 Ford F-150 Tremor and mine does the same thing when i drive it if i stay under the 3rd gear about or just tap the gas pedal it will jerk and idle up and go faster
Comment

Trans no shift internal

Ford F-150 2005 F150 5.4L 4x4  201645 miles
Starts up ok. PRND12 engages fine. Just take off high rpm shoot up an if it goes into neutral zone.
LilD from United States 8 years ago  
LI
1 reply 
dillo from United States 9 months ago
How did you end up making the truck work
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