!!!!need help my truck is losing power!!!! - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 10-11-2009, 12:51 PM Thread Starter
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!!!!need help my truck is losing power!!!!

I have a 95 f250 7.3 it idles fine and starts fine. Runs good when cold but when it warms up dont pull so well uphill. If some one can help me PLEASE
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post #2 of 11 Old 10-11-2009, 04:26 PM
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check the oil level. if not enough oil, hpop wont fire injectors right.

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1996 F250 SC/LB, 4x4 PSD, ATS stage 1 trans 5 star tcc, AC codes,TW tunes, magnaflow 4" exhaust, 6637 , FS 2500 bypass oil filter,pure power reusable oil filter, isspro gauges, dieselsite cpr fuel pump system, adrenaline hpop, pml rear diff cover ,ebpv delete,non epbv pedestal, king pin dana 60, swamps idm, tru cool 4739
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post #3 of 11 Old 10-11-2009, 04:55 PM Thread Starter
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i just put fresh oil and filter on it 2 weeks ago and it is still hesitating mostly uphill some time on straight. I ran it low a time or two! I hope i didnt damage anything.
thanks for your input
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post #4 of 11 Old 10-12-2009, 02:38 AM
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If you just changed the oil, and the level is good, it could be your thermostat. My truck runs much stronger when it's on the cool side than when it does when it's really warm. I'd bet your thermostat is getting a little long in the tooth, and is in need of a change out.

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post #5 of 11 Old 10-12-2009, 01:19 PM Thread Starter
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i scaned it today and the code p0603 (kam) came up. I dont know if it the same problem but today not a good day for it
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post #6 of 11 Old 10-13-2009, 02:55 AM
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Okay, I looked up your code, and this is the description I got:

P0603/ PCED/ KAM memory loss/ No historical faults output durring a KOEO test/ Open PCM pin, Disconnected B+, Faulty PCM.

Seems that your issue is with the PCM. (Powertrain Control Moduel)

Hope this helps.

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33" Hankook RT03 Muders
DIY Intake w/ Napa 6637 filter
3" DP to 4" exhaust

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Fuel System
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Upgraded gear reduction starter
Bypass Oil System
Bypass/ Coolant filter system
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post #7 of 11 Old 10-13-2009, 06:44 PM
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did you happen to change the fuel filters and clean the injectors i was having the same issue in my old 97 psd it turned out to be the water in the tank fuel fiter was dirty but i never had a code showing on mine...

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post #8 of 11 Old 10-18-2009, 10:05 AM Thread Starter
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THANKS to u all u guys help a whole lot. past few days i put a thermostat, fuel filter, disconnect B+ and air filter. my truck is runing better and no codes. im really happy the truck has 400,000 miles and runs this good.
( thank again )
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post #9 of 11 Old 10-19-2009, 07:04 AM
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good to know we could help. put your truck spec and espicially the mileage in your signature!

-Matt

Late 99 (2/99) Black F250, CC LB 4x4 Lariat 214k. All Stock for the moment...

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post #10 of 11 Old 10-19-2009, 09:02 PM
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Excuse my lack of knowledge but what is "disconnect B+"? as stated by the author? Thanks - trying to learn
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