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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 finest model, than please continue reading. In this post 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. Unfortunately these injection pumps have been know to have their fair share of concerns and may need to be replaced. Bosch VP44 injection pumps execute four standard functions: 1. Distributing the high-pressure, metered fuel to each cylinder at the precise time web water ionizer 2. Metering the exact amount of fuel for every injection cycle three. Varying the timing relative to engine speed. four. Generating the high fuel pressure needed 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 data. The number 1 result in 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 around 15psi and if the pressure drops beneath 5psi an injection pump failure is probable. Don't forget negative 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. Verify Engine Code 216 This is the most typical 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 able 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 anymore, as an alternative 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 takes place when the rotor seizes in the distributor section of the pump. The most common cause for the seizure is a lack of lubrication. Considering that the fuel lubricates the Bosch VP44 injection pumps, weak lifts pumps can again be blamed for this failure. The seizure will then break the Drive Plate and the truck will stop running, by no means to start off again, till the Bosch VP44 injection pump is replaced. Preventing Bosch VP44 injection pump Failure The very best way to stay away from failures of the Bosch VP44 injection pump is to prevent them from taking place. Purchasing a replacement lift pump, one particular that is of a much better quality than what comes from the factory will help. If that solution is too pricey, you can also install 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 fix the issue prior to you lose the Bosch VP44 injection pump. Preventing difficulties before they occur is the greatest way to take care of your truck.