Information on Bosch VP 44 Diesel Pumps for Diesel Trucks

出典: くみこみックス

If you are searching for a new injection pump for your Dodge Cummins diesel engine, but are not sure which is the very best model, than please continue reading. In this write-up we clarify some widespread failures with injection pumps. The Cummins diesel engine manufactured by Dodge in between 1998 and 2002 came equipped with a Bosch VP44 injection pump. Regrettably these injection pumps have been know to have their fair share of troubles and might want to be reverse osmosis water purification website replaced.

Bosch VP44 injection pumps execute four simple functions:

1. Distributing the high-pressure, metered fuel to every cylinder at the precise time

two. Metering the exact quantity of fuel for every injection cycle

three. Varying the timing copyright relative to engine speed.

4. Making the high fuel pressure necessary for injection

The Bosch VP44 is an electronic rotary distributor pump that can vary fuelling and injection timing, and also consists of fuelling, timing, and diagnostic data.

The number 1 cause of Bosch VP44 injection pump failure is a drop in fuel line pressure, which is usually due to a malfunctioning lift pump. Typical fuel pressure is about 15psi and if the pressure drops below 5psi an injection pump failure is probable. Don't forget undesirable lift pumps can run unnoticed until expensive damage is done to the Bosch VP44 injection pump.

The following are the leading two most common mechanical failures:

1. Check Engine Code 216

This is the most widespread mechanical failure and happens more than a period of time when weak lift pumps, with low fuel pressure rupture the diaphragm in the front of the injection pump. The timing piston will then vibrate to a point exactly where it wears the housing of the pump down till the fuel is able to bypass the piston. Dodge has recognized this dilemma for some time, and they no longer even sell the lift pump that alkaline water ionizer comparison goes on the side of the block any longer, rather they replace it with a unit that is now mounted in the tank.

2. Rotor Seizure

Another mechanical failure with the Bosch VP44 injection pump happens when the rotor seizes in the distributor section of the pump. The most frequent cause for the seizure is a lack of lubrication. Given that the fuel lubricates the Bosch VP44 injection pumps, weak lifts pumps can once more be blamed for this failure. The seizure will then break the Drive Plate and the truck will quit running, never to commence again, until the Bosch VP44 injection pump is replaced.

Preventing Bosch VP44 injection pump Failure

The best way to keep away from failures of the Bosch VP44 injection pump is to stop them from occurring. Purchasing a replacement lift pump, one that is of a far better high quality than what comes from the factory will support. If that choice is also costly, you can also set up a gauge to monitor your fuel pressure. With the gauge you will be able to know when your lift pump is going out and can effortlessly fix the issue before you lose the Bosch VP44 injection pump.

Preventing problems just before they happen is the very best way to take care of your truck.