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If you are hunting for a new injection pump for your Dodge Cummins diesel engine, but are not certain which is the finest model, than please continue studying. In this post we explain some typical failures with injection pumps. The Cummins diesel engine manufactured by Dodge amongst 1998 and 2002 came equipped with a Bosch VP44 injection pump. Regrettably these injection pumps have been know to have their fair share of concerns and could need to have 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 amount of fuel for each and every injection cycle

three. Varying the timing relative to engine speed.

4. Making the high fuel pressure required for injection

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

The number 1 lead to of Bosch VP44 injection pump failure is a drop in fuel line pressure, which is typically due to a malfunctioning lift pump. Regular fuel pressure is around 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 damage is accomplished to the Bosch VP44 injection pump.

The following are the leading two most frequent mechanical failures:

1. Verify Engine Code 216

This is the most frequent 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 exactly where it wears the housing of the pump down till the fuel is capable to bypass the piston. Dodge has recognized this difficulty for some time, and they no longer even sell the lift pump that goes on the side of the block anymore, rather they replace it with a unit that is now mounted in the tank.

2. Rotor Seizure

Yet another mechanical failure with the Bosch VP44 injection pump occurs when the rotor seizes in the distributor section of the pump. The most widespread trigger for the seizure is a lack of lubrication. Considering that the fuel lubricates the Bosch VP44 injection pumps, weak lifts pumps can yet again be blamed for this failure. The seizure will then break the Drive Plate and the truck will stop running, never ever to begin yet again, until the Bosch VP44 injection pump is replaced.

Preventing Bosch VP44 injection pump Failure

The finest way to keep away from failures of the Bosch VP44 injection pump is to stop them from happening. Acquiring a replacement lift pump, one that is of a much better high quality than what comes from the factory will assist. 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 simply fix the issue just before you shed the Bosch VP44 injection pump.

Preventing troubles prior to they occur is the greatest way to take care of your truck. inside water test kits discount athena water alkaline meals