When did Ram update the CP4 pump?

when did ram update the cp4 pump

When did Ram change to CP4?

While it did hurt the feelings of many loyal Ram owners when they made the decision to swap to the CP4 in , luckily Ram quickly corrected their mistakes and got back on the right track with the CP3 pump.

Is Ram replacing the CP4 pump?

If you had a related repair in the last two years, Ram will reimburse you and also replace the Bosch CP4 fuel pump. These are high-pressure pumps, and when they fail you may see a Malfunction Indicator Lamp light up. These are also known as engine check warning lights.

Does RAM use CP4 pump?

In October, the National Highway Traffic Transportation and Safety Administration launched an investigation into nearly 605,000 model year 2019–2020 Ram 2500, Ram 3500, Ram 4500 and Ram 5500 heavy-duty trucks equipped with 6.7-liter Cummins diesel engines and Bosch CP4 fuel pumps.

Is Ram replacing the CP4 pump?

If you had a related repair in the last two years, Ram will reimburse you and also replace the Bosch CP4 fuel pump. These are high-pressure pumps, and when they fail you may see a Malfunction Indicator Lamp light up. These are also known as engine check warning lights.

Does RAM use CP4 pump?

In October, the National Highway Traffic Transportation and Safety Administration launched an investigation into nearly 605,000 model year 2019–2020 Ram 2500, Ram 3500, Ram 4500 and Ram 5500 heavy-duty trucks equipped with 6.7-liter Cummins diesel engines and Bosch CP4 fuel pumps.

Do 2021 Rams have CP3?

. So no need to deal with a recall etc.

Is the CP4 2 better?

Although the CP4. 2 moves less fuel volume than the CP3 (roughly 20-percent less according to the output of LML Duramax CP4. 2’s), it is substantially more efficient and produces higher peak pressure (30,000 psi vs. 26,000 psi).

What fuel pump does the 6.7 Cummins have?

The factory fuel system on your 6.7L Dodge Cummins consists of your underbed fuel tank, fuel or lift pump, high pressure CP4. 2 injection pump featuring a twin piston pump that can handle up to 39,000psi, and electronically controlled injectors (simplistically put).

What injection pump is on 2021 6.7 Cummins?

Per information from owners taking delivery of 2021 Ram pickups with Cummins diesel engines, as well as photos I’ve seen on social media, it appears that Ram/Cummins have gone back to the old Bosch CP3 fuel injection pump.

Does L5P have CP4?

Duramax L5P Reliability

The L5P is considered the most reliable post-emissions Duramax made to date. With the removal of the CP4.

What fuel pump is in a 2019 Cummins?

The 2019 Ram Heavy Duty models debuted with the new 6.7 liter Cummins Turbo Diesel inline-6, the first to break the 1,000lb. Ft of torque barrier, and featured the Bosch CP4. 2 injection pump.

Is Ram replacing the CP4 pump?

If you had a related repair in the last two years, Ram will reimburse you and also replace the Bosch CP4 fuel pump. These are high-pressure pumps, and when they fail you may see a Malfunction Indicator Lamp light up. These are also known as engine check warning lights.

Does RAM use CP4 pump?

In October, the National Highway Traffic Transportation and Safety Administration launched an investigation into nearly 605,000 model year 2019–2020 Ram 2500, Ram 3500, Ram 4500 and Ram 5500 heavy-duty trucks equipped with 6.7-liter Cummins diesel engines and Bosch CP4 fuel pumps.

Is the new 6.7 Cummins any good?

Dodge and Ram trucks with the 6.7 Cummins engine are pretty reliable, overall. Sure, it doesn’t have the same legendary reputation as older diesels like the 7.3 PS or 5.9 Cummins. Unfortunately, the emissions parts of the modern day work against reliability in many ways.

How much does it cost to replace a CP4 pump?

The “CP4” injection pump, as it’s called by many, is the heart of these diesels, and in the past few years it has garnered a reputation for catastrophic failure, resulting in repair costs north of $8,000.

Will a lift pump prevent CP4 failure?

Prevent CP4.

An aftermarket lift pump system is the most affordable way to keep the CP4. 2 alive. FASS, AirDog and Fuelab are the big names in town here. Each of them offer a complete system that not only provides sufficient fuel supply pressure for the CP4.

Is the CP4 covered under warranty?

Yes they covered it. First thing they did was test for water in the diesel. When they found no water they covered the repair. He really had low mileage.

What fuel pump is in a 2021 Duramax?

Denso HP4 fuel injection pump

How can you tell the difference between cp3 and CP4?

Basically whe a cp3 quits working it just quits without exploding. It’s typically a slow decline. The cp4 on the other hand doesn’t have a pinned piston and if it rotates slightly it tends to explode and send tiny bits of metal all through your fuel system.

Which is better Fass or AirDog?

The FASS comes with a bracket that is specific to the model of vehicle, the AirDog is more generic, but allows more flexibility for user preferred install location. For ease of installation, I prefer the FASS setup, but for flexibility, I prefer the AirDog setup. This is your choice here.

Are there any problems with the CP4 pump on a ram?

On Oct. 14, 2021, NHTSA opened a formal investigation into 2019 – 2020 Ram diesel trucks. NHTSA’s Office of Defects Investigation is reviewing numerous complaints from truck owners about the CP4 pump, with field reports “noting power loss, mostly while traveling above 25 MPH.

What happened to ram’s injection pump?

There was an initial outcry about Ram using that pump as it had proven to have issues in prior applications from both Ford and GM in their heavy-duty diesel powertrains. Late in 2020, Ram made a change from the asymmetrical cam CP4.2 to a new symmetrical CP4.2, likely in a bid to solve some injection pump issues.

Did RAM change the injection pump on 2021 Cummins diesel trucks?

One thing that has been pointed out was a new injection pump on Cummins diesel equipped trucks. We reached out to Ram for clarification on the pump change and were told that Ram did indeed change the injection pump again for 2021. This change affects both the standard and high output versions of the Cummins inline-6 turbo diesel.

When did the Bosch CP4 fuel pump come out?

Posted on September 1, 2021 by Jeremy_XDP 0 The Bosch CP4 pump is a high-pressure fuel pump, or injection pump, that debuted in 2011 in the Ford Powerstroke and GM Duramax engines. The CP4 was Bosch’s updated model to the incredibly reliable and well-regarded CP3 pump.