a loss of power - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 20 (permalink) Old 07-31-2006, 02:58 AM Thread Starter
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a loss of power

when driving on the highway,it has all the power i need. sometime when you slow down and then speed up is were i have problem. i stand on the petal it speeds up, but then out of the blue it layes you back in the seat, like it does most of the time. it has a new lift pump and a new apps, and it does feel like the apps is going out. it does speed up, it does drop back to idle.so what the %^&* is it. :shrug:
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post #2 of 20 (permalink) Old 07-31-2006, 03:20 AM
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Sounds like you might need to calibrate the APPS.
post #3 of 20 (permalink) Old 07-31-2006, 10:39 PM
 
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i,m having the same thing i just fixed my lift pump with a holly pump it keeps the psi between11.5 to 9 the truck runs better but if i slow to a cruse an then step on the fual and nothing

what is the apps?
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post #4 of 20 (permalink) Old 08-01-2006, 01:25 AM Thread Starter
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ok i recalibrated the apps. it didn't help. so, i check for some codes and i have 2. they are po216 and po602. the 216 is injection timing malfuction. so i'm thinking my ip is about to head south. what do you guys think


apps is accelorator petal posion senor
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post #5 of 20 (permalink) Old 08-01-2006, 03:12 AM
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the 216 is injection timing malfuction. so i'm thinking my ip is about to head south. what do you guys think
I think you are probably right.:cry:
post #6 of 20 (permalink) Old 08-01-2006, 04:25 PM Thread Starter
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i was hoping you would tell me something different. well, i just drive it until she quits.

on the ohter hand oh sells a good hot rod pump?:
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post #7 of 20 (permalink) Old 08-02-2006, 04:16 AM
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I had that code once (P0216). Truck would white smoke and run like junk in the Iowa winter, but drove for four months with it in South Carolina. Gotta loves these VP pumps:censored :censored
As for the HRVP, I'm not sure if I would spend that much money on one. There are alot of guys making serious numbers without them.

'01.5 2500 4x4 Quad Cab 5spd Edge Comp Drag, Extrude Hone Injectors , Haisley's connector tubes & standpipe, O-ringed & studed, Custom A1000 fuel system, ATS manifold, 5" exhaust 6" tip, Proguard 7 race edition, HT 64mm, and EEP's pulling clutch with 1 3/8" input
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post #8 of 20 (permalink) Old 08-03-2006, 05:23 PM Thread Starter
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yeah the vp can be a great pump, but when something go wrong and it goes south. you just want take a big hammer to it!
one day when i grow up i'll have some money to change the pump to the 7100.

Randy
05 Dodge str8 pipe, smarty jr, afe, airbags, and pacbrake.
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post #9 of 20 (permalink) Old 08-03-2006, 05:43 PM
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I'm a big fan of the HR vp's, We built a truck with one that would run 13.5's single turbo all diesel, with the box turned off and just the VP and 150hp injectors. It ran 12.8's a drag comp set on 5x5. That pump is good for at least 100hp.
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post #10 of 20 (permalink) Old 08-03-2006, 06:01 PM
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Yep, don't care what anyone says. A Scheid HRVP44 will make atleast a 100hp on it's own.
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