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If you are seeking for a new injection pump for your Dodge Cummins diesel engine, but are not sure which is the very best model, than please continue studying. In this write-up we clarify some typical failures with injection pumps. The Cummins diesel engine manufactured by Dodge between 1998 and 2002 came equipped with a Bosch VP44 injection pump. Sadly these injection pumps have been know to have their fair share of concerns and might want to be replaced.

Bosch VP44 injection pumps carry out 4 standard functions:

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

two. Metering the precise quantity of fuel for each injection cycle

three. Varying the timing relative to engine speed.

4. Producing 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 includes fuelling, timing, and diagnostic information.

The number one particular cause of Bosch VP44 injection pump failure is a drop in fuel line pressure, which is usually due to a malfunctioning lift pump. Regular fuel pressure is about 15psi and if the pressure drops below 5psi an injection pump failure is probable. Bear in mind bad lift pumps can run unnoticed till expensive harm is accomplished to the Bosch VP44 injection pump.

The following are the top two most frequent mechanical failures:

1. Verify Engine Code 216

This is the most widespread mechanical failure and occurs 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 where it wears the housing of the pump down until the fuel is in a position to bypass the piston. Dodge has recognized this dilemma for some time, and they no longer even sell the lift pump that goes on the side of the block any longer, instead 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 occurs when the rotor seizes in the distributor section of the pump. The most typical lead to for the seizure is a lack of lubrication. Considering that the fuel lubricates the Bosch VP44 injection pumps, weak lifts pumps can once again be blamed for this failure. The seizure will then break the Drive Plate and the truck will quit running, by no means to begin once more, till the Bosch VP44 injection pump is replaced.

Preventing Bosch VP44 injection pump Failure

The best way to steer clear of failures of the Bosch VP44 injection pump is to stop them from occurring. Getting a replacement lift pump, one particular that is of a better top quality than what comes from the factory will support. If that solution is as well pricey, you can also install 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 very easily repair the difficulty ahead of you lose the Bosch VP44 injection pump.

Stopping problems just before they happen is the best way to take care of your truck. go there follow us on twitter what is the best water