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2021 High Pressure Fuel Pump Failure

Adam.lupe

New Member
Apr 27, 2022
1
0
Truck Year
2021
My 2021 Eco Diesel with 16000 miles engine sputtered on me then completely turned off the other day. Went to start and only cranked. Got it towed to the dealership. Mechanic said he can diagnose it in 10 minutes. Looked like he pulled a pressure transmitter off the front rail area and in the bowl, copious amounts of metal shavings. Says it can be possibly 3 months to get parts (HPFP, RAIL, INJECTORS, LINES).

Has anyone experienced this? How did you handle the situation? Anything extra I should do about the engine? I was thinking they should drain the oil and cut open the oil filter to see if any metal particles are found. Maybe an oil sample test
 

Tremper126

Moderator
Staff member
Feb 15, 2019
851
311
Truck Year
2014
Cp4 fuel pumps are notorious for it when poorly lubricated fuel is used
 

Codfr152

New Member
Oct 27, 2019
2
0
Truck Year
2015
My 2021 Eco Diesel with 16000 miles engine sputtered on me then completely turned off the other day. Went to start and only cranked. Got it towed to the dealership. Mechanic said he can diagnose it in 10 minutes. Looked like he pulled a pressure transmitter off the front rail area and in the bowl, copious amounts of metal shavings. Says it can be possibly 3 months to get parts (HPFP, RAIL, INJECTORS, LINES).

Has anyone experienced this? How did you handle the situation? Anything extra I should do about the engine? I was thinking they should drain the oil and cut open the oil filter to see if any metal particles are found. Maybe an oil sample test
Same situation here but a 2015 with 91,000 miles. Mine failed the last week in March. The dealer has everything but the fuel rail, which has been pushed back to "tentatively" June 6. The only bright spot is that I have the extended warranty from the settlement so it's all covered. I've been renting cars and trucks as necessary but FCA customer service won't commit to covering the rentals. So far all they've said is that I'll probably be reimbursed for 10 days...it's been 60. It's pretty disheartening. I maintain the vehicle correctly and it's covered by warranty but those facts aren't getting me much.
 

John Jensen

Well-Known Member
Mar 22, 2016
655
326
Truck Year
2016
I use retail diesel. The manual says no additives are necessary--haha. What's the common wisdom on how to ensure well-lubed fuel?
Use any additive designed to add lubricity. I currently use Hotshots products.
Also know that water in the fuel is the worst thing for the CP4 pump, will guarantee failure
Has anyone experienced this? How did you handle the situation? Anything extra I should do about the engine? I was thinking they should drain the oil and cut open the oil filter to see if any metal particles are found. Maybe an oil sample test
I don't believe the debris can get to the engine. Have never heard of a pump failure doing that. The failure ruins the entire fuel system, including the tank via the return line.
 

TC Diesel

Well-Known Member
Jul 14, 2016
2,308
649
Truck Year
2015
John the required additive Ratio to make a difference is 4oz per gallon, Your better off buying Bio-diesel and adding NO additives when possible. Check you local station drop sheets for Bio-diesel, in the Midwest its everywhere. MN is 20% Biodiesel May 1 to Oct 31 and Nov 1 to April 30 3%.
 

John Jensen

Well-Known Member
Mar 22, 2016
655
326
Truck Year
2016
John the required additive Ratio to make a difference is 4oz per gallon, Your better off buying Bio-diesel and adding NO additives when possible. Check you local station drop sheets for Bio-diesel, in the Midwest its everywhere. MN is 20% Biodiesel May 1 to Oct 31 and Nov 1 to April 30 3%.
Yes, I know, bio is great (the best) lubricity and also has cleansing qualities. I am not a fan of bio as it reduces mpg and power, but it looks like I have no choice as I'm told that Califunny enacted the 20% bio rule. However, I cannot find any confirming documentation.
.
 
Last edited:

TC Diesel

Well-Known Member
Jul 14, 2016
2,308
649
Truck Year
2015
It has little effect on MPG You may lose 1/4-1/2 MPG, it differently off-sets the losses in $$$$ repairs.
 

Tony church

New Member
Jun 21, 2022
1
0
Truck Year
2019
My 2021 Eco Diesel with 16000 miles engine sputtered on me then completely turned off the other day. Went to start and only cranked. Got it towed to the dealership. Mechanic said he can diagnose it in 10 minutes. Looked like he pulled a pressure transmitter off the front rail area and in the bowl, copious amounts of metal shavings. Says it can be possibly 3 months to get parts (HPFP, RAIL, INJECTORS, LINES).

Has anyone experienced this? How did you handle the situation? Anything extra I should do about the engine? I was thinking they should drain the oil and cut open the oil filter to see if any metal particles are found. Maybe an oil sample test
Ram said my 2019 has a recall on the high pressure fuel pump. But not much help if they fix the fuel pump if the motor is in for replacement. 70,000 miles. And it been sitting from June 3rd dealership said maybe sometime in August it will be fixed. Dealership said I was third eco diesel with a bad motor that week in June. I counted 5 eco diesel parked by my truck and a few with a sticker on the windshield not for sale. My eco diesel started on fire or melted all the wires last August. My truck was not on the recall the deal said my truck had the new parts or the parts that where re-engineering they said it should not have failed. I think fire did the motor in last year, they should have replaced the motor. I don’t think Fiat has a fix for the 2019 motor.
 

ShanePi

New Member
Sep 1, 2019
9
4
Truck Year
2018
Just started using Hot Shots diesel fuel additive. Says 1-2 ounces per 25 gallons.
 

TC Diesel

Well-Known Member
Jul 14, 2016
2,308
649
Truck Year
2015
Snake Oil, The ratio's Need to be in the 2-4oz per-Gallon to have any effect.
 

carlhenry

Well-Known Member
Nov 21, 2018
1,506
282
Truck Year
Not Listed
ihave 4 fords 2 repair not mine i am not that stupid 2 buy a ferd they all needs a set of injectors ans a pump BIG BUCKS!!!!!
 

Duncan

New Member
Sep 1, 2022
5
0
Truck Year
2016
My 2021 Eco Diesel with 16000 miles engine sputtered on me then completely turned off the other day. Went to start and only cranked. Got it towed to the dealership. Mechanic said he can diagnose it in 10 minutes. Looked like he pulled a pressure transmitter off the front rail area and in the bowl, copious amounts of metal shavings. Says it can be possibly 3 months to get parts (HPFP, RAIL, INJECTORS, LINES).

Has anyone experienced this? How did you handle the situation? Anything extra I should do about the engine? I was thinking they should drain the oil and cut open the oil filter to see if any metal particles are found. Maybe an oil sample test
My 2016 Dodge Ram eco diesel has been down since July 2022 FCA says parts not available
 
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