97 PSD loss of power - Ford Powerstroke Diesel Forum
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post #1 of 57 Old 01-11-2009, 06:09 PM Thread Starter
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97 PSD loss of power

hi, I have a 97 PSD..It will start fine no problems....but after a long idle i'll take off and i lose alot of power, it will move, but barely any power, so i stop and rev it up and the engine will only rev up to 2200 rpms max...so i shut down the engine and start it back and it will run fine like it should..i changed the fuel filter twice in the past two weeks thinking it was that but it wasnt...it did it no matter what the weather was...i changed the oil two weeks ago so that is covered...im not sure what it could be,,,
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post #2 of 57 Old 01-11-2009, 06:12 PM
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do you have it chipped?

Trevor
NEW MOTOR BEING BUILT! motor thats in it right now....7.3,DI stage 4s 350/200s, GT4594 turbo, ZF5 swap, Valair Kevlar clutch, term twins HPOP, 6" lift, 35",Banks IC, DIY 6637 filter, 3.5" down pipe, BDP IDM, TW live tuned chip, BD turbo timer, DIY ladder bars,910 springs, push rods, studs, fuel and airdog I.
SOLD 99 F350 CCLB 6speed 4in down pipe. and banks junk, made 330 on the dyno at 5k feet though. 2.5in leveling kit. custom bumper.
1983 F250 6.9 IDI, 4X4, Flat bed
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post #3 of 57 Old 01-11-2009, 06:18 PM
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Whats your fuel pressure? Might be a fuel pump going bad. Its obviously something with your fuel system

99.5 F-250 Lariat 4x4 CC
-Isspro's in A-pillar
-5" TB into 6" miter
-Recon smoked cab lights
-Bullydog "mileage" chip *Matts tunes in 2 weeks*
-Warn hubs
-DIY intake, Foil delete
-Hankook MT 285's
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post #4 of 57 Old 01-11-2009, 06:20 PM
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my friend had some off brand chip and it was doing the same. he took it out and she ran fine. thing but now that you said some thing about the fuel pump, that could be it too.

Trevor
NEW MOTOR BEING BUILT! motor thats in it right now....7.3,DI stage 4s 350/200s, GT4594 turbo, ZF5 swap, Valair Kevlar clutch, term twins HPOP, 6" lift, 35",Banks IC, DIY 6637 filter, 3.5" down pipe, BDP IDM, TW live tuned chip, BD turbo timer, DIY ladder bars,910 springs, push rods, studs, fuel and airdog I.
SOLD 99 F350 CCLB 6speed 4in down pipe. and banks junk, made 330 on the dyno at 5k feet though. 2.5in leveling kit. custom bumper.
1983 F250 6.9 IDI, 4X4, Flat bed
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post #5 of 57 Old 01-11-2009, 06:22 PM Thread Starter
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yup i have a Banks Big Hoss level 4 chip...i've had the chip for about 4 years...I had a fuel pressure check about a year ago and it was good, i could have it checked again...but i had the ford dealership put my truck on the computer and a code came up for the exhaust back pressure sensor...but i never changed it yet..
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post #6 of 57 Old 01-11-2009, 06:23 PM
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I would take it to a shop and get your fuel system checked out.

99.5 F-250 Lariat 4x4 CC
-Isspro's in A-pillar
-5" TB into 6" miter
-Recon smoked cab lights
-Bullydog "mileage" chip *Matts tunes in 2 weeks*
-Warn hubs
-DIY intake, Foil delete
-Hankook MT 285's
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post #7 of 57 Old 01-11-2009, 06:24 PM
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Quote:
Originally Posted by blowinsmoke7.3 View Post
I would take it to a shop and get your fuel system checked out.
i second that, if you have a Banks its not the chip

Trevor
NEW MOTOR BEING BUILT! motor thats in it right now....7.3,DI stage 4s 350/200s, GT4594 turbo, ZF5 swap, Valair Kevlar clutch, term twins HPOP, 6" lift, 35",Banks IC, DIY 6637 filter, 3.5" down pipe, BDP IDM, TW live tuned chip, BD turbo timer, DIY ladder bars,910 springs, push rods, studs, fuel and airdog I.
SOLD 99 F350 CCLB 6speed 4in down pipe. and banks junk, made 330 on the dyno at 5k feet though. 2.5in leveling kit. custom bumper.
1983 F250 6.9 IDI, 4X4, Flat bed
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post #8 of 57 Old 01-11-2009, 06:28 PM
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have you tryed takeing off the chip and try it stock just to rule the chip out?
if not then are you haveing and un usual white or black smoke?
if not then i would suspect a injector nozzel broke off- not a great mechanic but just gessin and tryin to help
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post #9 of 57 Old 01-11-2009, 06:31 PM Thread Starter
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yup when it does it again i'll have to go to the shop and the fuel pressure checked to make sure thats its a fuel problem....were having alot of problems with our diesel fuel up here right now...i know alot of guys with duramax's and powerstrokes are changing there fuel filters like crazy, the local parts store cant keep up with filters...i dont know you guys are having the same problems...
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post #10 of 57 Old 01-11-2009, 06:35 PM Thread Starter
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i never tried removing the chip yet..but i noticed when it boggs it dont smoke black like it should...well right now up here its cold so its gonna smoke white all the time...but when its warm and it boggs it dont smoke at all...
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