CP4 Disaster Strikes
Mountain Pass
Joined: Dec 2021
Posts: 195
Likes: 136
From: North Central Washington
Originally Posted by Finally Powerstrokin;[url=tel:21622209
21622209]Well it happened to me. On the way home from a camping trip in upstate NY the dreaded CP4 disaster struck! My family and I were stuck on the side of the interstate 5-1/2 hours away from home. I had the truck towed to a Ford dealership that was only 1-1/2 miles from where we broke down because I had no idea where else to tow it to. It is estimated between 12k and 13k to replace the entire fuel system and clean the tank. I had to rent a truck to tow my camper and get my family back home. What a nightmare!!! The ford place said they should have the truck fixed in a week so I have to go back to pick it up. I will get a two year unlimited mileage warranty on all of the parts from Ford.
Here is my dilemma. I ask about adding a disaster prevention kit from S&S to prevent this from ever happening again and was told that would likely void the warranty if the pump fails again because the truck will be considered to have aftermarket parts. This seems stupid on Fords part because if it did happen again the only thing that needs replacing is the fuel pump but without the kit you would have to replace everything again. The labor costs for this repair is probably more than double what the parts are so I will probably have a S&S kit installed anyways.
The service manager said the new pump will be a newer designed CP4 and it should not happen again. Does anyone know if this is true? Are the newer pumps different in some way and I do not need the S&S kit with this "newer designed pump" or is it just more BS? I am pretty much stuck with the truck for now because I still owe on the new to me 2017 truck that I bought last year and now am spending roughly $13,000 on a repair. There is no way I could get close to breaking even by trading or selling the truck. Hoping someone knows the answer about the newer CP4 pumps. I have learned a lot since this has happened by doing a lot of reading and video watching. I will forever be using some additives to help with lubrication of the fuel pump so if you have any suggestions as to what additives work best and how often to add them I will gladly welcome any advice.
Thanks,
Here is my dilemma. I ask about adding a disaster prevention kit from S&S to prevent this from ever happening again and was told that would likely void the warranty if the pump fails again because the truck will be considered to have aftermarket parts. This seems stupid on Fords part because if it did happen again the only thing that needs replacing is the fuel pump but without the kit you would have to replace everything again. The labor costs for this repair is probably more than double what the parts are so I will probably have a S&S kit installed anyways.
The service manager said the new pump will be a newer designed CP4 and it should not happen again. Does anyone know if this is true? Are the newer pumps different in some way and I do not need the S&S kit with this "newer designed pump" or is it just more BS? I am pretty much stuck with the truck for now because I still owe on the new to me 2017 truck that I bought last year and now am spending roughly $13,000 on a repair. There is no way I could get close to breaking even by trading or selling the truck. Hoping someone knows the answer about the newer CP4 pumps. I have learned a lot since this has happened by doing a lot of reading and video watching. I will forever be using some additives to help with lubrication of the fuel pump so if you have any suggestions as to what additives work best and how often to add them I will gladly welcome any advice.
Thanks,
FTE Legend
Joined: Mar 2017
Posts: 31,982
Likes: 9,201
From: Western NY
I started a claim with my Insurance company (National General Insurance) today. I will let you know the results when I find out. They stated they did not cover repairs but when I told them it was due to Contaminated Fuel they opened a claim we will see where it goes.
FTE Legend
Joined: Mar 2017
Posts: 31,982
Likes: 9,201
From: Western NY
Disregard... must be that recall for the Covid trucks that sat and the fuel went bad in the CP4s causing issues.
Last edited by Overkill2; Jul 25, 2025 at 10:22 PM. Reason: add to post
Hotshot
Joined: Jul 2013
Posts: 14,304
Likes: 2,198
i left my stock filters as is but I added a filter between the tank filter and the engine bay filter.
the in between filter is a 1-14 manifold and currently had a Baldwin 4 micron absolute at 99% efficiency as well as a clear water trap.
i have often found water in the water trap of the in between filter while at the same time have never found water in the ford water seperator. This means to me that the ford water seperator does not work and shame on ford for pointing fingers at owners when the ford water seperator and for water in fuel indicator does not work.
Lead Driver
Joined: Feb 2005
Posts: 7,999
Likes: 2,684
From: The Great State of Texas
And here's the deflection when you can't provide the link... Your confusing a dealer making that decision vs Ford Motor Co. Ford that has a documented inspection procedure to determine if it's under warranty or not. Rust, DEF crystals or gas is reason for denial. My cous who's been a Ford diesel tech for many years said he never had Ford deny warranty when the inspection process passed the criteria.
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Lead Driver
Joined: May 2021
Posts: 5,946
Likes: 3,543
From: Uh oh, CA
Are you thinking about the recall on the fuel pumps in the gas engines? Those don’t have a solution, however it’s different from the pumps in the diesel trucks…
Lead Driver
Joined: Feb 2022
Posts: 7,999
Likes: 4,065
Put a DPK in and don't worry about it. A 2017 is so far out of warranty that the service manage should be kicked in the nuts for telling you what he said. If you installed a Gen 2 SPE, they probably wouldnt even know you have one since it looks factory. Heres are hard known fact. Had you installed a DPK from the start, you would have paid maybe $1500 at any diesel shop for a new pump and gone about your business since the fuel system would have been protected.
Don't let some schmuck at a dealership scare you off of protecting your truck.
Don't let some schmuck at a dealership scare you off of protecting your truck.
5th Wheeling
Joined: Oct 2024
Posts: 39
Likes: 16
No, I was thinking the dormant diesel fuel gone-bad (Covid era) trucks.
FTE Legend
Joined: Mar 2017
Posts: 31,982
Likes: 9,201
From: Western NY
Even though I agree with adding more or installing an aftermarket filtration system, I don't believe it's absolutely necessary but I do have an Air Dog unit bought previously that I will install and supplement the factory primary filter or DFCM (diesel fuel conditioning module) and install a bigger fuel tank as well (not purchased yet).
Yes, I also run additive and will not run without it.
More Turbo
Joined: Feb 2011
Posts: 608
Likes: 317
I agree with using fuel additive for extra protection the lubricity provides for the CP4. On the other hand, a friend of mine is an RV trailer transporter. Talking with him, he has never used any fuel additives except to help prevent fuel gelling. We replaced his Turbo last September/October with 380k on the truck, and while doing the Turbo he decided to change out the CP4 with the DCR. This was a decision that he made because of all the stories about CP4 failures, and he figured he was pushing his luck with the original CP4. He always uses truck stop fuel and of course the truck runs for many hours on end. So there is another side for those not using any additive and still get many miles out of the CP4. Was he just lucky? Who knows. He now has 430k+ on the truck and the DCR has 50k+ with no issues.
FTE Legend
Joined: Mar 2017
Posts: 31,982
Likes: 9,201
From: Western NY
I agree with using fuel additive for extra protection the lubricity provides for the CP4. On the other hand, a friend of mine is an RV trailer transporter. Talking with him, he has never used any fuel additives except to help prevent fuel gelling. We replaced his Turbo last September/October with 380k on the truck, and while doing the Turbo he decided to change out the CP4 with the DCR. This was a decision that he made because of all the stories about CP4 failures, and he figured he was pushing his luck with the original CP4. He always uses truck stop fuel and of course the truck runs for many hours on end. So there is another side for those not using any additive and still get many miles out of the CP4. Was he just lucky? Who knows. He now has 430k+ on the truck and the DCR has 50k+ with no issues.