Vp44 help please! - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 10 (permalink) Old 04-30-2009, 12:28 AM Thread Starter
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Vp44 help please!

A couple months back I had a BD light that used to flicker (very rarely) when i had low fuel pressure, so i bought a raptor pump.

Had an erratic idle when warm, and blew white smoke when first start up.

Changed to a different fuel station put in injector cleaner and all problems went away. Until NOW

My truck has 211K miles on it, VP was replaced at 145K miles. I pulled out of work, truck still cold, got on it, truck shut off when i let off at 40 mph. It just cranks over now. I have 17 psi when the fuel pump (Raptor pump) kicks on, power and ground going in the injection pump, new fuel filter, and no codes. What else can I test to verify that it could be the Injection pump?
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post #2 of 10 (permalink) Old 04-30-2009, 01:09 AM
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The injection pump should be throwing a code if that is the problem. Try repriming the the fuel system. here is moparman's write up on it.

http://mopar.mopar1973man.com/tips/c...prime-fuel.htm

2004 Silverado 2500 LLY Duramax
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post #3 of 10 (permalink) Old 04-30-2009, 07:56 PM
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the day i graduated high school
thats the same way it did to daddy's did didnt throw a code or nothin dead peddle and white smoke like crazy but i dont know tho

97' Cummins 2500 Gauges from glowshift (EGT, boost) Fuel pressure gauge from auto-meter. Stage 2 airbox, boost elbow, barrels & plungers turned.Custom fuel plate,Airdog 150gph.AFC mods & 3K GSK.SDX injectors (stage 3 140hp).Drilled wastegate.Converted to a NV4500 with a double disc. Being restored from the ground up


01' Cummins 2500 (dads) with a Hotrod pump,100hp injectors, Fass 150, Edge juice with attitude,also plug and power chip,stage 2 ice box,4 1/2 exgaust pipe,HX40

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post #4 of 10 (permalink) Old 05-01-2009, 12:30 PM
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Originally Posted by cowboytw13 View Post
The injection pump should be throwing a code if that is the problem. Try repriming the the fuel system. here is moparman's write up on it.

http://mopar.mopar1973man.com/tips/c...prime-fuel.htm
When VPs die it is VERY common to NOT get a code.

Nate

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post #5 of 10 (permalink) Old 05-01-2009, 12:38 PM
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Well...learn something new everyday here. Thanks Nate

2004 Silverado 2500 LLY Duramax
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post #6 of 10 (permalink) Old 05-01-2009, 02:55 PM
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Well...learn something new everyday here. Thanks Nate
No Problem, now some do...but some like a 2001 Black Dually I know of die on ya @ 6am when your going up a hill outta your driveway...no codes no warnings

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post #7 of 10 (permalink) Old 05-01-2009, 04:21 PM
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the day i graduated high school
i was started to leave the farm and pure white i couldve swore up and down it couldve blocked an intersection but s*** happens tho

97' Cummins 2500 Gauges from glowshift (EGT, boost) Fuel pressure gauge from auto-meter. Stage 2 airbox, boost elbow, barrels & plungers turned.Custom fuel plate,Airdog 150gph.AFC mods & 3K GSK.SDX injectors (stage 3 140hp).Drilled wastegate.Converted to a NV4500 with a double disc. Being restored from the ground up


01' Cummins 2500 (dads) with a Hotrod pump,100hp injectors, Fass 150, Edge juice with attitude,also plug and power chip,stage 2 ice box,4 1/2 exgaust pipe,HX40

Riding Dirty #60
B.O.M.B Squad #79
Singles Club #260
Special thanks too


http://www.southerndieselx.com/
xtremediesel.com
dieselperformance.com
cptrucks.com
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post #8 of 10 (permalink) Old 05-01-2009, 06:38 PM
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Mine threw a code, not a CEL, but a code. although, I was still able to drive it...just ran like a POS. you know pull hills @ 35 mph.

2004 Silverado 2500 LLY Duramax
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post #9 of 10 (permalink) Old 05-01-2009, 10:22 PM
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Last time I had to do that was because the clutch was shot.

'99 2500 4X4 5spd 104K miles Ext Cab, longbed, Banks exhaust, Exhaust Brake, BHAF, comp, Raptor 150, gauges, 100 hp sticks.

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post #10 of 10 (permalink) Old 05-02-2009, 05:23 AM
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the day i graduated high school
it was weird with mine bc roughly the same time period the pump and the clutch went out at the same time

97' Cummins 2500 Gauges from glowshift (EGT, boost) Fuel pressure gauge from auto-meter. Stage 2 airbox, boost elbow, barrels & plungers turned.Custom fuel plate,Airdog 150gph.AFC mods & 3K GSK.SDX injectors (stage 3 140hp).Drilled wastegate.Converted to a NV4500 with a double disc. Being restored from the ground up


01' Cummins 2500 (dads) with a Hotrod pump,100hp injectors, Fass 150, Edge juice with attitude,also plug and power chip,stage 2 ice box,4 1/2 exgaust pipe,HX40

Riding Dirty #60
B.O.M.B Squad #79
Singles Club #260
Special thanks too


http://www.southerndieselx.com/
xtremediesel.com
dieselperformance.com
cptrucks.com
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