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If you are searching for a new injection pump for your Dodge Cummins diesel engine, but are not positive which is the greatest model, than please continue reading. In this post we clarify some widespread 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 problems and might want to be replaced.
Bosch VP44 injection pumps perform 4 standard functions:
1. Distributing the high-stress, metered fuel to each and every cylinder at the precise time
2. Metering the exact quantity of fuel for each injection cycle
3. Varying the timing relative to engine speed.
4. Producing the higher fuel pressure required 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 information.
The quantity one result in of Bosch VP44 injection pump failure is a drop in fuel line stress, which is usually due to a malfunctioning lift pump. Regular fuel pressure is around 15psi and if the stress drops below 5psi an injection pump failure is probable. Remember undesirable lift pumps can run unnoticed till pricey damage is completed to the Bosch VP44 injection pump.
The following are the top two most typical mechanical failures:
1. Verify Engine Code 216
This is the most typical mechanical failure and happens 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 where it wears the housing of the pump down until the fuel is able 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 anymore, rather they replace it with a unit that is now mounted in the tank.
two. Rotor Seizure
One more mechanical failure with the Bosch VP44 injection pump occurs when the rotor seizes in the distributor section of the pump. The most typical result in 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, in no way to start once more, until the Bosch VP44 injection pump is replaced.
Stopping Bosch VP44 injection pump Failure
The best way to stay away from failures of the Bosch VP44 injection pump is to prevent them from taking place. Getting a replacement lift pump, one particular that is of a better quality than what comes from the factory will support. If that selection is also costly, you can also install a gauge to monitor your fuel stress. With the gauge you will be in a position to know when your lift pump is going out and can very easily fix the problem ahead of you lose the Bosch VP44 injection pump.
Preventing issues just before they happen is the ideal way to take care of your truck. air conditioning santa monica
