What injection pump is in a 2003 Cummins?
At the heart of the 2003 – 2007 Dodge 5.9L Cummins is the Bosch CP3 Common Rail diesel fuel injection pump. The CP3 is available with stock OEM factory settings as well as modified for 33%, 85%, 120% and a massive 200% fuel flow increases for high performance Dodge 5.9L Cummins applications.
What injection pump is in 2004 5.9 Cummins?
Bosch CP3 Common Rail Injection Pump 03-07 5.9L Cummins.
How long does a CP3 pump last?
The Bosch CP3, used on the ’01-to-’10 Duramax and ’03-to-current Cummins engines, is known to last 250,000 miles or more before needing to be replaced. Of course, performance enthusiasts also know these pumps are only capable of supporting approximately 500 hp.
How do you diagnose a bad diesel fuel pump?
Signs of a Failing Diesel Fuel Pump
- Squeaks, squeals and other high-pitched sounds: If your vehicle starts squealing or making unusual, high-pitched noises, this could be a sign that your diesel fuel pump is going bad.
- Difficulty accelerating: Are you having trouble getting your vehicle up to speed quickly enough?
Does a 2003 Dodge Cummins have a lift pump?
The factory fuel system on your 2003-04 5.9L Dodge Cummins consists of your underbed fuel tank, fuel/lift pump, high pressure CP3 injection pump, and electronically controlled injectors (simplistically put). Until 2005, the pumps were mounted on the drivers side of the block behind the fuel filter.
How many miles are CP3 good for?
Forever as long as filtration is kept up. 01-02 are known to give out around 200K miles. If you need a regulator, just bite the bullet and put a CP3 in it.
Does a CP3 need a lift pump?
A lift pump should be the absolute first thing you do to the truck. Cp4 or cp3, doesnt matter. You need to get that fuel from the tank up to the injection pump. If you’re wondering if a lift pump will prevent the failure of the cp4 the answer is no.