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If you are searching for a new injection pump for your Dodge Cummins diesel engine, but are not confident which is the greatest model, than please continue reading. In this write-up we explain some common failures with injection pumps. The Cummins diesel engine manufactured by Dodge amongst 1998 and 2002 came equipped with a Bosch VP44 injection pump. Sadly these injection pumps have been know to have their fair share of issues and may possibly require to be replaced.

Bosch VP44 injection pumps perform 4 standard functions:

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

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

three. Varying the timing relative to engine speed.

four. Producing the high fuel pressure necessary 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 data.

The number one cause of Bosch VP44 injection pump failure is a drop in fuel line pressure, which is generally 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 poor lift pumps can run unnoticed till expensive damage is accomplished to the Bosch VP44 injection pump.

The following are the prime two most common mechanical failures:

1. Verify Engine Code 216

This is the most frequent mechanical failure and occurs over 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 until the fuel is capable 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 any longer, instead they replace it with a unit that is now mounted in the tank.

two. 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 frequent 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, in no way to commence once more, 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 prevent them from taking place. Acquiring a replacement lift pump, one that is of a far better high quality than what comes from the factory will aid. If that solution is too pricey, 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 repair the issue ahead of you lose the Bosch VP44 injection pump.

Preventing problems just before they take place is the best way to take care of your truck. read this here water factory systems investigation