How to Diagnose if your CP4 Fuel Pump is Failing
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- Опубликовано: 24 авг 2024
- There are lots of things it could be but in this video, we’ll find out what it takes to diagnose the CP4 in the event of a failure. We’ll show you the three stages of diagnosis we use here at XDP to cover all our bases before we dive down to the CP4.
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Low rail pressure isn’t always a sign of a failing cp4
My 2018 ford was having problems couple months ago people were saying it was a cp4 problem but the whole time it was a electrical problem and I knew that because I have done some searching and some people had the same problem as me but pretty much we gave the fuel pump another source of power and wired it to the fuse box and it’s been working ever since
ive been seeing small pieces of metal in the fuel filter housing for years.
Just to clarify, this pump was putting out over 5000 psi but was still bad?
P228e? Fuel rail or cp4 sensor? Not seeing huge difference on commanded vs actual
I've noticed that my truck seems to crank just a bit longer when the motor is warmed up versus when completely cold. So for example, my truck can be sitting overnight and when I turn the key to start, it seems to damn near instantly fire up. Now if I drive around and get the the motor up operating temperature, if I make a stop at the store and when I come back out, it seems like it cranks a bit longer than when completely cold...maybe barely an extra second of cranking from the starter before it fires up. The funny thing is that this isn't all the time. Some of the times it will fire right up even when warmed up.
Seem normal? No codes. 2015 with 80k miles all stock. Fuel filters replaced about 10k miles ago. Batteries are half year old.
and mines is the exact opposite.
Bruh this exactly what mine doing 2013 6.7 deleted & it does it sometimes as well not all the time…
Did you figure what’s wrong with yours mine started doing the same thing when it was cold it would start and once warm it would crank a little longer but now if I shut it off once warm it’ll just crank and won’t start no more
@@juanmonarrez1636 not yet unfortunately...
Maaan. Im about to pull the trigger on a 19 f350 6.7 with 70k on it.
I had a bad dream about the truck on friday night after i had drove it and got the numbers right. Told em id think about it this weekend.
Now im getting butterflies in my stomach over this potential purchase. And not good ones.
My current ride is a 19 f150 fx4 5.0 scsb. paid off. I can basically get into this f350 lariat for 30k with my trade.
Don't be afraid of the CP4. These 6.7 powerstrokes are indestructible and really the ONLY thing on them that does fail is the CP4 so of course it's labeled as a "weak link." Buy the truck, put a bypass kit on it for $400 or install the new DCR pump conversion to get rid of the CP4 for $2,000.
p0087 -DTC for low LP pressure.
I have p0087 and my fuel pump sounds like the shit sounding pump. No metal shaving in tank or filter cup
I was told p0087 was a high pressure code
Does your kit have a filter to capture the shavings going back to the tank?
S&S has a kit that has a filter.
Have you seen any pump failures that didn’t show any metal in the VCV?
I have f250 2013
Code p0088 message power engine reduced
What should I do ,
Alot of people say the healthy pump should have no "squishy" noises but the one you claim to be good still has it. Can you explain please? My truck sound like the one you said is healthy
Curious about this also. Mine does the same.
My cp4 sounds like a snake. If hisses loud. I can’t fiend a fuel leaks to save my life, pick up won’t start either. I’ve checked everything I can possibly think of. Gonna drop the lift pump and check that filter. It’s a 2016 titan xd
2019 Ram eco diesel 32,000 miles and it had throttle problems with check engine & throttle red light today. Just had check engine light last month & they changed the filter supposedly the reason .
Very different truck😂
I'm curious after the recall on cp4 is fixed through ram coming up 2022 wonder what all they going to fix and future damage to my truck this is going to do to it.
I think if ram going to recall all the years 19 and 20 trucks they should replace everything
P0191 is the bad code as well.
I have a 2015 F350 with 97k miles. All of a sudden, I'm getting significant diesel in my oil. Truck runs fine, no smoke or powerloss, and fires right up. Is it possible the cp4 is the culprit?
Most likely from an injector
I have 2016, are those CP3's ok?
I think cp3 is good, the manufacturers went back to a cp3 in the newer models and everyone is swapping out their cp4s for cp3s
i replaced the High-pressure fuel pump, but the Audi q7 2008,4.2 cuts out whilst driving and starts after completely cooled off.
Fuel pressure regulator is shot
8 99
Are there any performance indicators that can tip off if the cp4 is failing?
Metal shavings in the fuel filters or lower fuel filter housing can be a sign of a failing CP4 pump
So if my gauge reads 3,800 psi on my 2011 after being warmed up and driven awhile it’s not good? lol
Where are you located
Have 22 Ecodiesel 44,200 miles Loved it until it broke down this week. Had it towed to the dealer diagnosed that High Pressure fuel pump went out, took fuel rail all injectors all fuel system OUT!!! So my 22 is not recalled because supposibly mine came from the plant were the perfect trucks came from.....lol right. So warranty kicks in correct, But now they want proof of Services that are done by a professional!! I do my services I use correct filters, oils and rather service my own that trust someone. So they are looking for a quick blame... If running thru this suggestion you can Google lawyer that is Sueing them and join the law suit. I Will NEVER BUY A RAM NO MORE
I personally would avoid the EcoDiesel altogether. If you really want a diesel, a Cummins would’ve been a much better choice. Hell a bulletproofed 6.0 Powerstroke is a better choice than the EcoDiesel in my opinion
@@connorlee478 Cummins used the same pump until recently, Ford as well.
man needs a cheese burger
Any one seen an intermittent p0093 large leak detected. Truck only shuts of intermittently when towing a large load. All lights and dash stay on, cycle the key and fires up like normal. Dealer of course wants to throw whole fuel system at it for 13k.
I'll let you know I just bought a 2019 turbo diesel only time will tell
Fuel pressure regulator back of fuel rail driver side
Cp4 did ot again🤮
DONT BUY THEM STUPID BYPASS KITS. SNAKE OILLLLL
No they aren't they protect everything down stream from the pump. They don't stop failures they mitagate the damage
When your engine dies out and the pump quits working it failed