Wierd power problem Help pleas - Ford Powerstroke Diesel Forum
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Old 04-02-2009, 07:12 AM
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Wierd power problem Help pleas

ok so replaced ICP CAS Fuel filter oil filter and the only code I get is glow plug module. Basically truck runs good up till 15 psi ...once it builds more then 15psi it seems like its defueling but if I push the pedal alll the way to the floor it seems like there is a burst of power that happens kinda like a surge and it seems like it surges on then off.....by surge I mean a surge of power
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Old 04-02-2009, 03:54 PM
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Originally Posted by 2000excursion View Post
ok so replaced ICP CAS Fuel filter oil filter and the only code I get is glow plug module. Basically truck runs good up till 15 psi ...once it builds more then 15psi it seems like its defueling but if I push the pedal alll the way to the floor it seems like there is a burst of power that happens kinda like a surge and it seems like it surges on then off.....by surge I mean a surge of power
Any SES light or codes? Are you hearing a hissing noise @ all?
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Old 04-04-2009, 03:26 PM
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only code is for the glow plug module.

its basically from 15-26psi feels like its defueling at 90 percent throttle

at 100 percent throttle it seems to have more power and may be at full power 26psi
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Old 04-04-2009, 07:09 PM
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it probally is defueling...
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Old 04-05-2009, 04:25 AM
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Originally Posted by 2000excursion View Post
only code is for the glow plug module.

its basically from 15-26psi feels like its defueling at 90 percent throttle

at 100 percent throttle it seems to have more power and may be at full power 26psi
Do you have a boost fooler?
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Old 04-05-2009, 08:02 AM
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no I dont....my tune is stock so shouldnt I only be able to make 16psi? Ill make a boost fooler today and see....also wouldnt I start to defuel at higher then 16psi?
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Old 04-05-2009, 10:47 AM
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Originally Posted by 2000excursion View Post
no I dont....my tune is stock so shouldnt I only be able to make 16psi? Ill make a boost fooler today and see....also wouldnt I start to defuel at higher then 16psi?
You said your truck is losing power up to 26psi. Your truck will start defueling @ about 23-24.5psi. I think you just need a boost fooler.
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Old 04-07-2009, 06:18 PM
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boost fooler didnt help. What kind of software should I get for my in truck computer? I have PCMSCAN on it right now and it sucks.
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Old 04-07-2009, 07:12 PM
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Originally Posted by 2000excursion View Post
boost fooler didnt help. What kind of software should I get for my in truck computer? I have PCMSCAN on it right now and it sucks.
You mean for diag, right?
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Old 04-09-2009, 08:19 AM
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well it does trouble codes fine but Id like to be able to see actual live datalogging and maybe tuning if available.
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