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If you are seeking for a new injection pump for your Dodge Cummins diesel engine, but are not sure which is the very best model, than please continue reading. In this write-up we clarify some frequent failures with injection pumps. The Cummins diesel engine manufactured by Dodge 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 concerns and may possibly need to have to be replaced.
Bosch VP44 injection pumps execute four fundamental functions:
1. Distributing the high-pressure, metered fuel to every single cylinder at the precise time
two. Metering the exact amount of fuel for each and every injection cycle
three. Varying the timing relative to engine speed.
four. Making 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 includes 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 usually due to a malfunctioning lift pump. Typical fuel pressure is about 15psi and if the pressure drops beneath 5psi an injection pump failure is probable. Remember undesirable lift pumps can run unnoticed till expensive harm is accomplished to the Bosch VP44 injection pump.
The following are the prime two most typical mechanical failures:
1. Verify Engine Code 216
This is the most frequent 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 exactly where it wears the housing of the pump down till the fuel is in a position 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 any longer, instead 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 happens when the rotor seizes in the distributor section of the pump. The most common trigger for the seizure is a lack of lubrication. Because the fuel lubricates the Bosch VP44 injection pumps, weak lifts pumps can once again be blamed for this failure. The seizure will then break the Drive Plate and the truck will quit running, in no way to start yet again, till the Bosch VP44 injection pump is replaced.
Preventing Bosch VP44 injection pump Failure
The finest way to keep away from failures of the Bosch VP44 injection pump is to avert them from taking place. Buying a replacement lift pump, one particular that is of a better high quality than what comes from the factory will aid. If that choice is too costly, 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 repair the issue ahead of you shed the Bosch VP44 injection pump.
Stopping problems just before they happen is the finest way to take care of your truck. tour alkaline water ionizer commercial is alkaline water good for you web life ionizer