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2020/CTD/CP4/FAIL #2834794
10/19/20 09:28 PM
10/19/20 09:28 PM
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J_BODY Offline OP
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Man FCA must have a huge prob on their hands. I’m on my 3rd failed one at work which requires the whole fuel system to be replaced.
7500miles, 3200 miles, and now one with 16k. Takes over a month and a half to get parts.

Re: 2020/CTD/CP4/FAIL [Re: J_BODY] #2834803
10/19/20 09:48 PM
10/19/20 09:48 PM
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UPPER MICHIGAN, MARQUETTE COUN...
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They will be lemon law buy backs.

Re: 2020/CTD/CP4/FAIL [Re: NITROUSN] #2834900
10/20/20 08:41 AM
10/20/20 08:41 AM
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Buford, GA
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shock


'71 Charger 383/727
'17 Challenger SXT (Wifeys car wink )
Re: 2020/CTD/CP4/FAIL [Re: I_bleed_MOPAR] #2834974
10/20/20 11:33 AM
10/20/20 11:33 AM
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Downtown Roebuck Ont
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Call your local Cummins dealer and confirm the parts supply issue. If Cummins could fix it for you tomorrow, time to send some heat towards the warranty department.

Kevin

Re: 2020/CTD/CP4/FAIL [Re: Twostick] #2835307
10/20/20 09:16 PM
10/20/20 09:16 PM
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I’m a dealer tech.... just seeing an alarming failure rate and no parts availability..... there’s an “updated” pump in the pipeline, but the last one I “repaired” still used the same style pump that failed the first time around. Think if I was CTD shopping I’d hold out for awhile.

Re: 2020/CTD/CP4/FAIL [Re: J_BODY] #2835322
10/20/20 10:02 PM
10/20/20 10:02 PM
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Midwest
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Is this problem only on '20 models? or are other years affected as well? Mine's a very low mile 2015, no problems as of yet.


Did a little research on this. Looks like pre-2019 Rams had the older (better) style CP3 injection pump and the newer CP4.2 pump that has the failure history is installed on 2019 and 2020 models.

Last edited by MoparsnMissiles; 10/20/20 11:27 PM.
Re: 2020/CTD/CP4/FAIL [Re: MoparsnMissiles] #2835349
10/20/20 11:01 PM
10/20/20 11:01 PM
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Originally Posted by MoparsnMissiles
Is this problem only on '20 models? or are other years affected as well? Mine's a very low mile 2015, no problems as of yet.


Yours has a CP3 pump.... I’ve like replaced a handful of those over the years, and not for eating itself puking metal into the injectors. Very dependable unit.... think my top “hindsite” pickups are the 14-18 models.

Re: 2020/CTD/CP4/FAIL [Re: J_BODY] #2835365
10/20/20 11:30 PM
10/20/20 11:30 PM
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Midwest
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Originally Posted by J_BODY
Originally Posted by MoparsnMissiles
Is this problem only on '20 models? or are other years affected as well? Mine's a very low mile 2015, no problems as of yet.


Yours has a CP3 pump.... I’ve like replaced a handful of those over the years, and not for eating itself puking metal into the injectors. Very dependable unit.... think my top “hindsite” pickups are the 14-18 models.



Thanks, that's what I found too. I edited my earlier post to reflect this, but you had already responded before I had refreshed the page. Thanks again!

Re: 2020/CTD/CP4/FAIL [Re: MoparsnMissiles] #2835395
10/21/20 12:38 AM
10/21/20 12:38 AM
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What I’m curious about is if this style CP4 was the same the Duramax guys had issues with in the past??

Re: 2020/CTD/CP4/FAIL [Re: J_BODY] #2835591
10/21/20 12:31 PM
10/21/20 12:31 PM
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CA, Proprietor; The "PALOMINO"...
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Originally Posted by J_BODY
Man FCA must have a huge prob on their hands. I’m on my 3rd failed one at work which requires the whole fuel system to be replaced.
7500miles, 3200 miles, and now one with 16k. Takes over a month and a half to get parts.


thats what I am hearing at a lot of the dealerships locally. I do foresee a possibility of the cp3 retrofit kits possibly becoming a possible replacement.
cp4.2 was suppose to be better, but apparently not


Dinuba, California, Home of the PALOMINO ranch and 440 truck farm, where dodge trucks have a home. Have Four 1979 dodge PALOMINO trucks now.






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