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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 very best model, than please continue reading. In this write-up 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. Unfortunately these injection pumps have been know to have their fair share of problems and may possibly need to have to be replaced.
Bosch VP44 injection pumps carry out four standard functions:
1. Distributing the higher-stress, metered fuel to each cylinder at the precise time
two. Metering the precise amount of fuel for each and every injection cycle
3. Varying the timing relative to engine speed.
4. Creating the higher fuel pressure essential for injection
The Bosch VP44 is an electronic rotary distributor pump that can differ fuelling and injection timing, and also includes fuelling, timing, and diagnostic information.
The quantity a single result in of Bosch VP44 injection pump failure is a drop in fuel line stress, which is generally due to a malfunctioning lift pump. Normal fuel stress is about 15psi and if the pressure drops under 5psi an injection pump failure is probable. Keep in mind undesirable lift pumps can run unnoticed until pricey harm is done to the Bosch VP44 injection pump.
The following are the leading two most typical mechanical failures:
1. Check Engine Code 216
This is the most common mechanical failure and happens more than a period of time when weak lift pumps, with low fuel stress 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 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 any longer, instead they replace it with a unit that is now mounted in the tank.
two. Rotor Seizure
Another mechanical failure with the Bosch VP44 injection pump takes place when the rotor seizes in the distributor section of the pump. The most typical trigger 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 cease operating, by no means to commence again, until the Bosch VP44 injection pump is replaced.
Stopping Bosch VP44 injection pump Failure
The ideal way to keep away from failures of the Bosch VP44 injection pump is to avert them from happening. Acquiring a replacement lift pump, one particular that is of a much better top quality than what comes from the factory will assist. If that option is as well costly, you can also install a gauge to monitor your fuel stress. With the gauge you will be able to know when your lift pump is going out and can effortlessly repair the issue ahead of you shed the Bosch VP44 injection pump.
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