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If you are hunting for a new injection pump for your Dodge Cummins diesel engine, but are not sure which is the ideal model, than please continue reading. In this write-up we explain some frequent failures with injection pumps. The Cummins diesel engine manufactured by Dodge among 1998 and 2002 came equipped with a Bosch VP44 injection pump. Sadly these injection pumps have been know to have their fair share of problems and could want to be replaced.

Bosch VP44 injection pumps execute four fundamental functions:

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

2. Metering the precise amount of fuel for each and every injection cycle

three. Varying the timing relative to engine speed.

four. Generating the higher fuel stress required for injection

The Bosch VP44 is an electronic rotary distributor pump that can differ fuelling and injection timing, and also contains fuelling, timing, and diagnostic information.

The number one particular result in of Bosch VP44 injection pump failure is a drop in fuel line stress, which is typically due to a malfunctioning lift pump. Regular fuel pressure is about 15psi and if the pressure drops beneath 5psi an injection pump failure is probable. Keep in mind undesirable lift pumps can run unnoticed until pricey harm is carried out to the Bosch VP44 injection pump.

The following are the leading two most widespread mechanical failures:

1. Check Engine Code 216

This is the most typical 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 problem for some time, and they no longer even sell the lift pump that goes on the side of the block anymore, instead they replace it with a unit that is now mounted in the tank.

2. Rotor Seizure

An additional mechanical failure with the Bosch VP44 injection pump happens when the rotor seizes in the distributor section of the pump. The most common result in for the seizure is a lack of lubrication. Since 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 operating, in no way to start once again, till the Bosch VP44 injection pump is replaced.

Preventing Bosch VP44 injection pump Failure

The greatest way to keep away from failures of the Bosch VP44 injection pump is to avoid them from taking place. Acquiring a replacement lift pump, one particular that is of a much better high quality than what comes from the factory will help. If that option is also expensive, you can also set up a gauge to monitor your fuel stress. With the gauge you will be capable to know when your lift pump is going out and can easily repair the problem before you drop the Bosch VP44 injection pump.

Preventing troubles prior to they take place is the very best way to take care of your truck. your plumbing service burbank