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If you are hunting for a new injection pump for your Dodge Cummins diesel engine, but are not confident which is the greatest model, than please continue studying. In this article we clarify some common failures with injection pumps. The Cummins diesel engine manufactured by Dodge in between 1998 and 2002 came equipped with a Bosch VP44 injection pump. Regrettably these injection pumps have been know to have their fair share of issues and may possibly want to be replaced. Bosch VP44 injection pumps perform 4 simple functions: 1. Distributing the high-pressure, metered fuel to each and every cylinder at the precise time 2. Metering the exact quantity of fuel for every injection cycle 3. Varying the timing relative to engine speed. 4. Generating the high fuel pressure expected 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 quantity one result in of Bosch VP44 injection pump failure is a drop in fuel line pressure, which is generally due to a malfunctioning lift pump. Normal fuel pressure is about 15psi and if the pressure drops below 5psi an injection pump failure is probable. Keep in mind undesirable lift pumps can run unnoticed until expensive harm is done to the Bosch VP44 injection pump. The following are the top two most common mechanical failures: 1. Examine Engine Code 216 This is the most typical mechanical failure and happens 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 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, 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 takes place when the rotor seizes in the distributor section of the pump. The most widespread cause for the seizure is a lack of lubrication. Given 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 cease running, in no way to start yet 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 stop them from occurring. Acquiring a replacement lift pump, 1 that is of a greater high quality than what comes from the factory will assist. If that option is also pricey, you can also install 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 repair the issue before you lose the Bosch VP44 injection pump. Stopping troubles before they occur is the greatest way to take care of your truck. ionizer oasis