CP4 Implosion!!! CRAP! CRAP! CRAP!
Lead Driver
Joined: May 2021
Posts: 5,818
Likes: 3,453
From: Uh oh, CA
So now that we have made up our mind on that... when are we going to start blaming the poor quality diesel fuel? In Europe the CP4's do fine....
Or better yet, lets just stick it to them all and start driving Tesla's! Then we don't have to worry about any of the fuel pumps, or being uneducated since Tesla handles everything!
Or better yet, lets just stick it to them all and start driving Tesla's! Then we don't have to worry about any of the fuel pumps, or being uneducated since Tesla handles everything!
Mountain Pass
Joined: May 2024
Posts: 138
Likes: 93
So now that we have made up our mind on that... when are we going to start blaming the poor quality diesel fuel? In Europe the CP4's do fine....
Or better yet, lets just stick it to them all and start driving Tesla's! Then we don't have to worry about any of the fuel pumps, or being uneducated since Tesla handles everything!
Or better yet, lets just stick it to them all and start driving Tesla's! Then we don't have to worry about any of the fuel pumps, or being uneducated since Tesla handles everything!
Super Moderator
Joined: Dec 2011
Posts: 13,286
Likes: 6,058
Thread was temporarily closed due to the discussion regressing to personal snipes by and about fellow FTE members, which is unbecoming of our community.
For the benefit of our regular members, and our much broader audience of readers, as well as our future visitor who find us through search... please remember this:
Most folks visit here for a bit of advice on how to buy, lease, finance, maintain, service, drive, and/or depend upon a Ford truck, not a fellow FTE member.
Therefore, we don't need to discuss fellow members on this forum. Our forum name reminds us of that, as it is called Ford Truck Enthusiasts, not Fellow Member Enthusiasts.
As the FTE Site Guidelines, that each of us agreed to abide by when joining, unequivocally states in Guideline # 2:
Personal insults / attacks will not be tolerated.
For the benefit of our regular members, and our much broader audience of readers, as well as our future visitor who find us through search... please remember this:
Most folks visit here for a bit of advice on how to buy, lease, finance, maintain, service, drive, and/or depend upon a Ford truck, not a fellow FTE member.
Therefore, we don't need to discuss fellow members on this forum. Our forum name reminds us of that, as it is called Ford Truck Enthusiasts, not Fellow Member Enthusiasts.
As the FTE Site Guidelines, that each of us agreed to abide by when joining, unequivocally states in Guideline # 2:
Personal insults / attacks will not be tolerated.
More Turbo
Joined: Dec 2011
Posts: 739
Likes: 393
Does this mean excessive heat causes CP4 failures?
Cargo Master
Joined: Aug 2012
Posts: 2,845
Likes: 927
From: Kaufman TX
People do what people do. "People just shouldn't do X" is a poor product design philosophy, though I completely agree with the statement.
I agree that the CP4 failure catalyst is user error, but failing to design for the basic level of user error is design error.
Any individual CP4 failure you can almost always find some individual error to blame it on, but taken as a whole they are together a product failure. All the other products are exposed to the same user base.
That guy shouldn't have dry cranked, but he did. The truck also shouldn't have reported 20 miles of fuel remaining, but it did. This is the real world the pump needs to work in and I have to agree that continuing to use the known fragile CP4 is a bad look for Ford.
I agree that the CP4 failure catalyst is user error, but failing to design for the basic level of user error is design error.
Any individual CP4 failure you can almost always find some individual error to blame it on, but taken as a whole they are together a product failure. All the other products are exposed to the same user base.
That guy shouldn't have dry cranked, but he did. The truck also shouldn't have reported 20 miles of fuel remaining, but it did. This is the real world the pump needs to work in and I have to agree that continuing to use the known fragile CP4 is a bad look for Ford.
Mountain Pass
Joined: Jul 2018
Posts: 153
Likes: 39
It's easy from my couch to see what the YouTuber did wrong, but when you're the one in the situation, blocking semis from reaching the fuel pumps, your logical thinking gets thrown out the window and you don't always think things through. I'm sure looking back, he's probably realizing he should've primed the fuel system, but in that stressful situation it slipped his mind. I'm sure we've all been in similar situations, and when you look back you realize what you would've done differently.
Hotshot
Joined: Jul 2013
Posts: 14,255
Likes: 2,180
cp3’s were used 2008 thru 2010 and none of the ford trucks at that time had def tanks.
there were in fact many cp3 failures during that time….i had glitter my first filter change on my used 2010. I learned that the cp4 supported the DPK so i traded my 2010 for a new 2019 just so i could install a DPK in the 2019.
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Cargo Master
Joined: Jul 2011
Posts: 2,661
Likes: 970
From: Walpole, MA
cp3’s were used 2008 thru 2010 and none of the ford trucks at that time had def tanks.
there were in fact many cp3 failures during that time….i had glitter my first filter change on my used 2010. I learned that the cp4 supported the DPK so i traded my 2010 for a new 2019 just so i could install a DPK in the 2019.
there were in fact many cp3 failures during that time….i had glitter my first filter change on my used 2010. I learned that the cp4 supported the DPK so i traded my 2010 for a new 2019 just so i could install a DPK in the 2019.
https://www.drivingline.com/articles...-lesson-3-64l/
Cross-Country
Joined: Aug 2020
Posts: 51
Likes: 17
People do what people do. "People just shouldn't do X" is a poor product design philosophy, though I completely agree with the statement.
I agree that the CP4 failure catalyst is user error, but failing to design for the basic level of user error is design error.
Any individual CP4 failure you can almost always find some individual error to blame it on, but taken as a whole they are together a product failure. All the other products are exposed to the same user base.
That guy shouldn't have dry cranked, but he did. The truck also shouldn't have reported 20 miles of fuel remaining, but it did. This is the real world the pump needs to work in and I have to agree that continuing to use the known fragile CP4 is a bad look for Ford.
I agree that the CP4 failure catalyst is user error, but failing to design for the basic level of user error is design error.
Any individual CP4 failure you can almost always find some individual error to blame it on, but taken as a whole they are together a product failure. All the other products are exposed to the same user base.
That guy shouldn't have dry cranked, but he did. The truck also shouldn't have reported 20 miles of fuel remaining, but it did. This is the real world the pump needs to work in and I have to agree that continuing to use the known fragile CP4 is a bad look for Ford.
Cargo Master
Joined: Aug 2012
Posts: 2,845
Likes: 927
From: Kaufman TX
It’s not just the CP4 that will fail if not properly primed, when I went to change the fuel filters on my Sports Chassis for the first time I did a little research beforehand. It had a Detroit DD13 in it and what I found was it was common for the DD13, DD15, and DD16 engines to experience fuel pump failures if they were ran dry or not primed properly after fuel filters changes.
Expecting the general public to use common sense, is an expectation borne from not using common sense. I don't have a problem with the CP4 personally. I don't have a problem with Ford using it initially. My critique is just that now that the cards are on the table and the results are clear, Ford should have already read the room and made the change.
Logistics Pro
Joined: May 2021
Posts: 3,990
Likes: 2,326
Expecting the general public to use common sense, is an expectation borne from not using common sense. I don't have a problem with the CP4 personally. I don't have a problem with Ford using it initially. My critique is just that now that the cards are on the table and the results are clear, Ford should have already read the room and made the change.
I remember when lghtndrvr had his CP4 blowing up a few months back, there was an onslaught of people accusing him of this or that, it was wild.
Cargo Master
Joined: Mar 2021
Posts: 2,044
Likes: 1,336
You know, looking at how many people defend Ford's use of Cp4 in this very thread by entirely deflecting the blame onto the users, it is clear why Ford didn't bother changing it. Hey, if it fails, it's probably the owner's fault. If it works then credit goes to Ford. If I was Ford I wouldn't change it either when the buyers are cool with it.
I remember when lghtndrvr had his CP4 blowing up a few months back, there was an onslaught of people accusing him of this or that, it was wild.
I remember when lghtndrvr had his CP4 blowing up a few months back, there was an onslaught of people accusing him of this or that, it was wild.
I think you’re over dramatizing the events and there’s lots of people who would like a cp4 replacement.
Last edited by Y2KW57; Jul 1, 2024 at 03:33 PM. Reason: To bring post into conformance with FTE Site Guideline #2.
Logistics Pro
Joined: May 2021
Posts: 3,990
Likes: 2,326
if anything I’m downplaying how much unfounded suspicion was cast toward the guy, from water problem, to bad fuel, to if he was properly maintaining his truck.