CP4....If or when?
Thread Starter
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Laughing Gas
Joined: Oct 2014
Posts: 962
Likes: 114
From: Middle TN
CP4....If or when?
2015 F-250 CC 4X4 PSD 104K miles
Trying to decide what avenue I want to take with this truck
I have read the many threads here on the CP4. I do everything I can to take care of the fuel system on this truck......high volume stations and adding PM-22A for lubricity on every fill up. A CP4 pump failure, is it a question of "if" it will fail, or when??
Looking for opinions. Thanks
Trying to decide what avenue I want to take with this truck
I have read the many threads here on the CP4. I do everything I can to take care of the fuel system on this truck......high volume stations and adding PM-22A for lubricity on every fill up. A CP4 pump failure, is it a question of "if" it will fail, or when??
Looking for opinions. Thanks
Lead Driver
Joined: Feb 2005
Posts: 7,923
Likes: 2,642
From: The Great State of Texas
Everything will eventually fail. The question becomes how much money you want to throw at it to keep it running. So far I have 265k miles and pretty much everything is still factory stock. I currently have a CEL for a DEF heater failure so a DEF pump replacement is in my future.
As for me I'm keeping my CP4.2 pump as is...
As for me I'm keeping my CP4.2 pump as is...
Laughing Gas
Joined: Jan 2022
Posts: 778
Likes: 427
If you believe the internet, you would never buy a Honda or a Toyota, because they are no darn good. I am around 50 or so 6.7 trucks, and no one has ever had a fuel system problem. That's not scientific, but to me it is comforting.
Thread Starter
|
Laughing Gas
Joined: Oct 2014
Posts: 962
Likes: 114
From: Middle TN
Everything will eventually fail. The question becomes how much money you want to throw at it to keep it running. So far I have 265k miles and pretty much everything is still factory stock. I currently have a CEL for a DEF heater failure so a DEF pump replacement is in my future.
As for me I'm keeping my CP4.2 pump as is...
As for me I'm keeping my CP4.2 pump as is...
Where I'm at now is my truck is going into Regen every 100 miles or so, and I guess the DPF is getting full or the intake is getting gunked up enough and it's starting to clog the MAP sensor. I don't have a CEL on. I live in a rural area so I don't city drive.
So, I am kicking around the idea of letting someone take a hack saw to all that crap under the truck, or possibly going gas and kissing these issues good bye. Don't know if I am ready for a truck that going to get around 8MPG towing.
Your mileage is encouraging. If 200K miles is possible from this pump and is more the norm than the exception, I'll probably do the former.
Thread Starter
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Laughing Gas
Joined: Oct 2014
Posts: 962
Likes: 114
From: Middle TN
Good to know. That actually makes me feel better
FTE Legend
Joined: Mar 2017
Posts: 31,830
Likes: 9,154
From: Western NY
My 16 has 107k miles. My regens usually go out to at least 400 miles. As to additives, I've used K100D every tank since about new and started using Max Mileage FBC about a year ago or so now. As of recently, I have been seeing the truck passive regen because coming home, I take one exit more than I do when going to work on the expressway and it keeps the truck hot. When I get in the truck the next day, the dash dropped down 5% from when I parked it.
As to the CP4, I've got an S&S DPK to install which I'm hoping to do soon. The way I look at it is, it's like car insurance, looking at it from the aspect that if the CP4 ever takes a schitt, I have the coverage. And if it doesn't either, that's fine too as it's just more fuel filtration in the system. My truck is a long term truck. I paid it off this year and the warranty is over at the end of December this year... I bought the 7 year/125k mile warranty when I bought it.
As to the CP4, I've got an S&S DPK to install which I'm hoping to do soon. The way I look at it is, it's like car insurance, looking at it from the aspect that if the CP4 ever takes a schitt, I have the coverage. And if it doesn't either, that's fine too as it's just more fuel filtration in the system. My truck is a long term truck. I paid it off this year and the warranty is over at the end of December this year... I bought the 7 year/125k mile warranty when I bought it.
More Turbo
Joined: Mar 2013
Posts: 607
Likes: 377
The only personal pump issues I have heard of are from DEF in the fuel tank. I am sure it can happen, but I believe that it is from contaminates. We have a lot of 6.7's around here, people don't run additives. Personally, I use Biodiesel cause that is what we have, drain the water separator every oil change (5000 miles) and let her go. I would be way more concerned with electronic issues. My mechanic who has forgot more about diesels than most guys will ever know (and is a cummins fanatic) says he does not see 6.7's for anything major. BTW, I get a kick out of guys that say " don't lift/modify suspensions or you can't do this or that because the engineers designed it that way, then turn around and add a bunch of "preventative" items.
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FTE Legend
Joined: Mar 2017
Posts: 31,830
Likes: 9,154
From: Western NY
The only personal pump issues I have heard of are from DEF in the fuel tank. I am sure it can happen, but I believe that it is from contaminates. We have a lot of 6.7's around here, people don't run additives. Personally, I use Biodiesel cause that is what we have, drain the water separator every oil change (5000 miles) and let her go. I would be way more concerned with electronic issues. My mechanic who has forgot more about diesels than most guys will ever know (and is a cummins fanatic) says he does not see 6.7's for anything major. BTW, I get a kick out of guys that say " don't lift/modify suspensions or you can't do this or that because the engineers designed it that way, then turn around and add a bunch of "preventative" items.
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Hotshot
Joined: Jul 2013
Posts: 14,254
Likes: 2,180
2015 F-250 CC 4X4 PSD 104K miles
Trying to decide what avenue I want to take with this truck
I have read the many threads here on the CP4. I do everything I can to take care of the fuel system on this truck......high volume stations and adding PM-22A for lubricity on every fill up. A CP4 pump failure, is it a question of "if" it will fail, or when??
Looking for opinions. Thanks
Trying to decide what avenue I want to take with this truck
I have read the many threads here on the CP4. I do everything I can to take care of the fuel system on this truck......high volume stations and adding PM-22A for lubricity on every fill up. A CP4 pump failure, is it a question of "if" it will fail, or when??
Looking for opinions. Thanks
S and S DPK before it fails
and S and S DCR pump when it fails
Hotshot
Joined: Oct 2006
Posts: 10,145
Likes: 7,971
From: Texas
Well, from personal experience, the CP4 is NOT a “great” pump. From what I see, it is the poorest of anything that the big 3 are using ibn their diesels. GM used it for a while and abandoned it, RAM/Cummins used it for 2 years, issued a recall, then went to a different pump.
Guys can brag about how many miles they go without issues, fine; my ‘15 failed at 20,000 miles…….No DEF in fuel, no water, no contamination. I can’t trust them.
And I know GM did not use a lift pump, RAM used one, but it supposedly was not as good as the lift pump in the Ford, but that does not make the CP4 any better.
EDIT: PS; The CP4 has the poorest reputation of anything being used currently, and FoMoCo has the poorest reputation of standing behind their product. Caveat Emptor!
Guys can brag about how many miles they go without issues, fine; my ‘15 failed at 20,000 miles…….No DEF in fuel, no water, no contamination. I can’t trust them.
And I know GM did not use a lift pump, RAM used one, but it supposedly was not as good as the lift pump in the Ford, but that does not make the CP4 any better.
EDIT: PS; The CP4 has the poorest reputation of anything being used currently, and FoMoCo has the poorest reputation of standing behind their product. Caveat Emptor!
FTE Legend
Joined: Mar 2017
Posts: 31,830
Likes: 9,154
From: Western NY
Well, from personal experience, the CP4 is NOT a “great” pump. From what I see, it is the poorest of anything that the big 3 are using ibn their diesels. GM used it for a while and abandoned it, RAM/Cummins used it for 2 years, issued a recall, then went to a different pump.
Guys can brag about how many miles they go without issues, fine; my ‘15 failed at 20,000 miles…….No DEF in fuel, no water, no contamination. I can’t trust them.
And I know GM did not use a lift pump, RAM used one, but it supposedly was not as good as the lift pump in the Ford, but that does not make the CP4 any better.
EDIT: PS; The CP4 has the poorest reputation of anything being used currently, and FoMoCo has the poorest reputation of standing behind their product. Caveat Emptor!
Guys can brag about how many miles they go without issues, fine; my ‘15 failed at 20,000 miles…….No DEF in fuel, no water, no contamination. I can’t trust them.
And I know GM did not use a lift pump, RAM used one, but it supposedly was not as good as the lift pump in the Ford, but that does not make the CP4 any better.
EDIT: PS; The CP4 has the poorest reputation of anything being used currently, and FoMoCo has the poorest reputation of standing behind their product. Caveat Emptor!
Lead Driver
Joined: Feb 2005
Posts: 7,923
Likes: 2,642
From: The Great State of Texas
Well, from personal experience, the CP4 is NOT a “great” pump. From what I see, it is the poorest of anything that the big 3 are using ibn their diesels. GM used it for a while and abandoned it, RAM/Cummins used it for 2 years, issued a recall, then went to a different pump.
Guys can brag about how many miles they go without issues, fine; my ‘15 failed at 20,000 miles…….No DEF in fuel, no water, no contamination. I can’t trust them.
And I know GM did not use a lift pump, RAM used one, but it supposedly was not as good as the lift pump in the Ford, but that does not make the CP4 any better.
EDIT: PS; The CP4 has the poorest reputation of anything being used currently, and FoMoCo has the poorest reputation of standing behind their product. Caveat Emptor!
Guys can brag about how many miles they go without issues, fine; my ‘15 failed at 20,000 miles…….No DEF in fuel, no water, no contamination. I can’t trust them.
And I know GM did not use a lift pump, RAM used one, but it supposedly was not as good as the lift pump in the Ford, but that does not make the CP4 any better.
EDIT: PS; The CP4 has the poorest reputation of anything being used currently, and FoMoCo has the poorest reputation of standing behind their product. Caveat Emptor!
Ram has some other failures going on with lifters. Sounds similar to the Ford 7.3 gas lifter failures
Lead Driver
Joined: Feb 2022
Posts: 7,958
Likes: 4,039
Funny, but every time I buy Diesel for my truck, it costs less per gallon than gas does now, sometimes by as much as .50 cents a gallon. Gas is $3.39 to $4.09 depending on which side of the state line you are on and my last tank two days ago was $3.13 a gallon. Been a LONG time since Diesel was cheaper than gas.
