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If you are looking for a new injection pump for your Dodge Cummins diesel engine, but are not confident which is the best model, than please continue reading. In this report we clarify some widespread 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 concerns and could want to be replaced. Bosch VP44 injection pumps perform four standard functions: 1. Distributing the high-pressure, metered fuel to every cylinder at the precise time two. Metering the precise amount of fuel for each injection cycle quality enagic three. Varying the timing relative to engine speed. four. Generating the high fuel pressure expected for injection The Bosch VP44 is an electronic rotary distributor pump that can vary fuelling and injection timing, and also contains fuelling, timing, and diagnostic data. The quantity one particular cause of Bosch VP44 injection pump failure is a drop in fuel line pressure, which is normally due to a malfunctioning lift pump. Typical fuel pressure is around 15psi and if the pressure drops beneath 5psi an injection pump failure is probable. Keep in mind negative lift pumps can run unnoticed until pricey harm is carried out to the Bosch VP44 injection pump. The following are the best two most common mechanical failures: 1. Examine 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 until the fuel is in a position 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 any longer, rather they replace it with a unit that is now mounted in the tank. 2. Rotor Seizure One more mechanical failure with the Bosch VP44 injection pump happens when the rotor seizes in the distributor section of the pump. The most widespread trigger 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 operating, never ever to begin once again, till the Bosch VP44 injection pump is replaced. Stopping Bosch VP44 injection pump Failure The greatest way to avoid failures of the Bosch VP44 injection pump is to avoid them from occurring. Acquiring a replacement lift pump, one particular that is of a much better good quality than what comes from the factory will assist. If that solution is too expensive, you can also set up a gauge to monitor your fuel pressure. With the gauge you will be in a position to know when your lift pump is going out and can effortlessly repair the problem before you lose the Bosch VP44 injection pump. Preventing problems prior to they take place is the very best way to take care of your truck.