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Discussion Starter · #22 ·
I think you're misunderstanding what he was saying here. I interpreted it as the total amount of shavings would have been the size of a dime, not a dime-sized piece of metal.
misunderstanding or not, but yes that is what I meant if I was to collect all the shavings I seen, maybe a dime size in the palm of my hand.
 

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Discussion Starter · #23 ·
Also, cleaning the tank out-I don't care how cute the youtube girl was but do you really flush it out with a water hose?????? don't sound correct to me, diesel tank and a water hose?
 

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Also, cleaning the tank out-I don't care how cute the youtube girl was but do you really flush it out with a water hose?????? don't sound correct to me, diesel tank and a water hose?
I dropped mine first (about half full), siphoned the remaining fuel out, then dumped some simple green in it and sloshed it around. I did that several times then rinsed it out with water another couple times. When it was dry, it looked brand new inside. I also inspected inside with a snake camera to be sure. This process was probably the easiest out of everything I had to do.

I would buy 2 or even 3 sets of fuel filters. After everything is fixed, drive it for about a hundred miles then change the filters just in case. The upper filter will more than likely catch any leftover debris and if you have the S&S kit, you can inspect the fuel coming out of the pump.
 
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Discussion Starter · #25 ·
I dropped mine first (about half full), siphoned the remaining fuel out, then dumped some simple green in it and sloshed it around. I did that several times then rinsed it out with water another couple times. When it was dry, it looked brand new inside. I also inspected inside with a snake camera to be sure. This process was probably the easiest out of everything I had to do.

I would buy 2 or even 3 sets of fuel filters. After everything is fixed, drive it for about a hundred miles then change the filters just in case. The upper filter will more than likely catch any leftover debris and if you have the S&S kit, you can inspect the fuel coming out of the pump.
Thats a big help, I have looked all in youtube and google and here and there is no really good info on how to clean the fuel tank, more on how to drain and remove it. Except that one clip in youtube of the hot girl hosing her tank out
 

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I have a 2016 with 106k, this pump is on my mind every road trip. I understand US diesel is lacking proper lube for the pump, but is there any other reason for the pump failures? I believe most owners are told the failures where due to fuel contamination, most owners say the fuel was fine.
Did you buy the truck new?
Where do you buy your fuel?.
Did you use additive?
Is it driven often or does it sit?
Tuner?
Anyone who has experienced a failure please chime in. I do not think Ford has ever addressed the failures with data.

thanks
 

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Discussion Starter · #27 ·
If everything goes my way on investigation and then clean up, I plan on putting the SPE-S100142 SPE Disaster kit and sending it. This is what I have come to agreement with because From what I have already read on the 2011-2014's from pass years and then as the 2015's and up started putting on the mileage and finding out they fail now, it don't matter in my mind, it's just when? Kinda like replace your timing belt on those smaller gas engines at around 75,000 miles+ regardless, because if it goes it will take out a perfectly good running engine, I do like the feed back on the above kit I mention, sounds like best protection along with lubing the fuel. .
 

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If everything goes my way on investigation and then clean up, I plan on putting the SPE-S100142 SPE Disaster kit and sending it. This is what I have come to agreement with because From what I have already read on the 2011-2014's from pass years and then as the 2015's and up started putting on the mileage and finding out they fail now, it don't matter in my mind, it's just when? Kinda like replace your timing belt on those smaller gas engines at around 75,000 miles+ regardless, because if it goes it will take out a perfectly good running engine, I do like the feed back on the above kit I mention, sounds like best protection along with lubing the fuel. .
Do not buy SPE. Do yourself a favor and buy the S&S Gen2 kit. I had the SPE kit and the return screen failed. Their customer service is also trash. The S&S kit is much nicer, better made, and install is way easier.
 

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I have a 2016 with 106k, this pump is on my mind every road trip. I understand US diesel is lacking proper lube for the pump, but is there any other reason for the pump failures? I believe most owners are told the failures where due to fuel contamination, most owners say the fuel was fine.
Did you buy the truck new?
Where do you buy your fuel?.
Did you use additive?
Is it driven often or does it sit?
Tuner?
Anyone who has experienced a failure please chime in. I do not think Ford has ever addressed the failures with data.

thanks
My truck had the original CP4 fail in 2016. It was not due to fuel contamination, although the dealer tried to blame it on that. They even tested the fuel and everything, it came out fine. Long story short it was covered under warranty. Sometimes these pumps just fail on their own. The most common problem is the roller getting off track, rotating, and shredding itself. My 2nd failure was due to a Warren DIY 55 over kit I put in. It appeared the plungers were putting too much pressure on the roller to begin with, so as soon as the truck and pump started, it was shredding metal.

I use Archoil fuel additive on every fill up now. The Ford additive is OK, but any other product will be better. I am thinking about switching to Hotshot's secret because my Archoil bottles keep leaking everywhere. I change my fuel filters about every 10k and drain my water/fuel separator every month or so.

I do not believe Ford has ever mentioned anything official regarding the failures, but iirc there was a class action suit a few years back. Not sure what ever happened to/with it. Every Ford mechanic I know and have spoken to know about the failures and don't understand why Ford is still putting CP4's in their trucks when Dodge went back to CP3 and GM went to the HP4. I guess it's just another source of money for them, so why bother.
 

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Discussion Starter · #30 ·
It's a bit depressing over the CP4 honestly. it had me consider selling the 2015 truck, my mileage is only 100522, admit it was off emotions selling it for those 4 days, but I'm back at keeping it.

I drove it Friday night for about 40 minutes and Saturday morning I drained fuel bowl again and checked it out, no shavings at all, clean. So happy on that so far.

I did consider that SPE would have lots of positive feed backs on it's own site, so I checked around on topics and have seen quit a few negative feed backs and including your comment on the screen blow thru it would make that 3 times I have read that, honestly after reading just 2 comments on the screen blow out I looked into S&S system gen2 and have read mostly all positive on the new system. At this point I'm picking that one.

This CP4 reminds me about the small car makers and what made them say about changing out the timing belt at 75,000 miles regardless, they could break and ruined a perfectly good engine. Only Ford does not recommend changing out the CP4 at a certain mileage, but proof is they go out when ever and not determined lol

seriously it sucks.
 

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I like the new gen2 style. I have already bought a SPE but did not install because it looked like I could mess it up. I would like to see the installation instructions before I spend another $400. Anyone out there have a copy of the S&S gen2 kit Install?
 

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I like the new gen2 style. I have already bought a SPE but did not install because it looked like I could mess it up. I would like to see the installation instructions before I spend another $400. Anyone out there have a copy of the S&S gen2 kit Install?
Here ya go: https://www.accuratediesel.com/grap...n2-Bypass-Kit-Instructions-Rev2-21APR2021.pdf


Hardest part (if you've never done it before) is getting both intake plenums off. After that it's a piece of cake. FYI do not go by the torque specs for the intakes when reinstalling. I cracked my brand new OEM metal one torquing it to the listed spec.
 
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Discussion Starter · #34 ·
is there a top brand for the FCA valve on the CP4? I figure factory at NAPA autoparts if I need one
 

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is there a top brand for the FCA valve on the CP4? I figure factory at NAPA autoparts if I need one
Exergy makes one with an improved screen.
 
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Discussion Starter · #37 ·
seen a few vids of removing items to get to the cp4, nothing mentioned about gaskets needed if any putting it back together? I'm at Rudy's with the the S&S gen2 and a new upgraded exergy Inlet Metering Valve for now, been a bit having this stuff apart, I thought there was a gasket on the cold pipe I can avoid so not to replace, memory right on that?
 

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Only gaskets are in the plastic intake that seals it to the metal one. They are rubber and can be reused. I put new in, but could have just wiped the old ones clean. There is an o-ring in the CAC cold side IIRC (I have aftermarket one on now), but again it can be reused.
 

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If I have a high pressure pump failure with the new S&S kit installed. What will need replaced?
Pretty sure you can flush the lines for the kit and re use it (minus the return filter). If it works as expected, you'll only need to replace the pump itself and like 1 or 2 hp lines.
 
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