Leaky CP3.. - Dodge Cummins Diesel Forum
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post #1 of 26 (permalink) Old 01-23-2008, 12:20 PM Thread Starter
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Leaky CP3..

Well i just got my truck serviced and the diesel tech said my injector pump is leaking on the back/inside. I just got my Fuel system installed last week and my pressure was, at idle, running about 22 psi. Im wondering if that may have been the cause. When i left the shop my pressure was down around 15 and as the pump broke in, in this cold weather here in In. the pressure went up.....

Soo, now to you experts, what is one to do now? The tech said it wasnt bad yet and it was just seepin but to keep an eye on it. Does anyone know how long an CP3 can leak till it goes out completely?

Come on guys i need some advise. Warrenty is out of the question due to having a fuel system installed and i dont have a problem with that. You play you pay. Im just wondering how long its going to be before i have to pay.

When the time comes, do i get a modified CP3 or just go for a replacement? I would like to think injectors will be in my future and yes im still putting off my tranny. But it will have its day.

Let me know what yas think.


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post #2 of 26 (permalink) Old 01-23-2008, 12:28 PM
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I would have to see it to be sure, but have heard alot of guys complaining of small leaks from the CP3.

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post #3 of 26 (permalink) Old 01-23-2008, 12:29 PM Thread Starter
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The tech said it wasnt bad but it is still a leak in my book and that small leak never getts any smaller, only bigger.

06 Mega Cab 4x4 Laramie Goerend, Dipricol's, aFe Stage II, aFe Bladerunner, HTT SS 62/71/13 with SS Manifold, Flo Pro, EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4AutoMeter's, lil tranny work, aFe Stage II, Magnaflow, and EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4 Built Trans and maxed out stock motor.
SOLD: 06 BIG HORN QC 4x4 Cummins 6 Speed SB w/SB DD
SOLD: 04 QCSB SLT 4x4 Cummins 6 Speed w/SB DD
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post #4 of 26 (permalink) Old 01-23-2008, 05:30 PM
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Well gess iam not the onely 1 with same prob. have a 06 to went out yesteday started truck was pluged in -16 below any way notaced that mine was leaking to thay say the is a weep hole on the back of cp3 cleaned it off seamd to quit but havent started it today they at the shop said seal prob. shrunk being cold but i know whats in the future. cummins wanted 1200 for rebuilt- dodge 2000 -think i am going to get1 from indusrial injection 1400 modifide . i have 155,000 on my 06
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post #5 of 26 (permalink) Old 01-23-2008, 05:31 PM Thread Starter
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Bump.......

06 Mega Cab 4x4 Laramie Goerend, Dipricol's, aFe Stage II, aFe Bladerunner, HTT SS 62/71/13 with SS Manifold, Flo Pro, EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4AutoMeter's, lil tranny work, aFe Stage II, Magnaflow, and EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4 Built Trans and maxed out stock motor.
SOLD: 06 BIG HORN QC 4x4 Cummins 6 Speed SB w/SB DD
SOLD: 04 QCSB SLT 4x4 Cummins 6 Speed w/SB DD
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post #6 of 26 (permalink) Old 01-23-2008, 05:32 PM Thread Starter
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155,000!!!!!!!!! Man you drive a lot.

06 Mega Cab 4x4 Laramie Goerend, Dipricol's, aFe Stage II, aFe Bladerunner, HTT SS 62/71/13 with SS Manifold, Flo Pro, EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4AutoMeter's, lil tranny work, aFe Stage II, Magnaflow, and EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4 Built Trans and maxed out stock motor.
SOLD: 06 BIG HORN QC 4x4 Cummins 6 Speed SB w/SB DD
SOLD: 04 QCSB SLT 4x4 Cummins 6 Speed w/SB DD
SOLD: 02 ExCab 4x4 Cummins auto stock
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post #7 of 26 (permalink) Old 01-23-2008, 05:34 PM Thread Starter
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Well when mine goes out. If it goes out. I will be looking at an Arson.

Will the leak just be a leak or will it just get worst.

06 Mega Cab 4x4 Laramie Goerend, Dipricol's, aFe Stage II, aFe Bladerunner, HTT SS 62/71/13 with SS Manifold, Flo Pro, EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4AutoMeter's, lil tranny work, aFe Stage II, Magnaflow, and EFI'ed by DJ's Diesel
SOLD: 06 BIG HORN QC 4x4 Built Trans and maxed out stock motor.
SOLD: 06 BIG HORN QC 4x4 Cummins 6 Speed SB w/SB DD
SOLD: 04 QCSB SLT 4x4 Cummins 6 Speed w/SB DD
SOLD: 02 ExCab 4x4 Cummins auto stock
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post #8 of 26 (permalink) Old 01-23-2008, 05:35 PM
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You could unplug the boost reference from the regulator and plug the intake where its plumbed in for now, see if that helps. Just a thought.



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post #9 of 26 (permalink) Old 01-23-2008, 05:39 PM
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Mine was in yesterday and goes back tomorrow for a leaking CP3

IAN
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post #10 of 26 (permalink) Old 01-23-2008, 06:23 PM
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Mine Is Leaking Also So Let Me Know How It Goes I Want To See If Thell Replace Mine

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post #11 of 26 (permalink) Old 01-23-2008, 06:31 PM
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Cp3

sorry guys im not up on all the acros
what is my CP3?

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post #12 of 26 (permalink) Old 01-23-2008, 06:37 PM
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its an injection pump on the coomon rails...back to my question think i can get mine replaced?

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