2004 f350 6.0 loss of power on hard Acceleration - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 2 (permalink) Old 12-20-2018, 03:09 PM Thread Starter
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2004 f350 6.0 loss of power on hard Acceleration

I have a 2004 F350. Runs and starts good, ran perfect for the last several months, just recently I noticed that when hard accelerating or pulling a hill I have loss of power. I monitored the pids shown below.
When accelerating hard the IPR ( it is brand new) goes to the middle 80's the ICP drops down to the 6-700's and low power. I can release the pedal a little and the IPR drops to the 50's and the ICP goes up to around 2000 and I feel power return. I can press pedal down again and looses power again. Any advise or help is greatly appreciated!


Engine off key on
Battery voltage 12.7
Ficm 48.0v
Map 14.3psi
IPR 14.7
ICP 0.0

Engine running at idle
Battery voltage 13.3
Ficm 47.5v
Map 14.8psi
IPR 25.9
ICP 587.1
Boost 0.6

Engine driving low speeds normal throttle
Battery voltage 12.7
Ficm 47.5v
Map 23.8psi
IPR 50.3
ICP 1662.1
Boost 9.6

Engine While hard throttle
Battery voltage 14.0
Ficm 47.5v
Map 34.5psi
IPR 88.9
ICP 749.0
Boost 24.3
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post #2 of 2 (permalink) Old 12-25-2018, 08:06 PM
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Posts: 1,250
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Re: 2004 f350 6.0 loss of power on hard Acceleration

Leak in your HPO system or a bad HPOP. Time for an air test to determine which it is.

2004 Excursion 6.0
New HPOP/HPO system o-rings; Updated standpipes and dummy plugs
EGR delete; Rebuilt oil cooler; CCV collection mod
VR Black Diamond head gaskets and ARP studs
Oil and coolant bypass filters; Shell EC-1 coolant
Rebuilt turbo; 250 amp alt; 6000 watts of brain scrambling
One giant 240 pound English Mastiff riding shotgun!
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