Info on Bosch VP 44 Diesel Pumps for Diesel Trucks

出典: くみこみックス

2012年8月20日 (月) 18:04の版

If you are hunting 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 report we explain some common 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 may possibly require to be replaced.

Bosch VP44 injection pumps carry out 4 basic functions:

1. Distributing the continue reading high-pressure, metered fuel to every single cylinder at the precise time

2. Metering the precise quantity of fuel for each injection cycle

three. Varying the timing relative to engine speed.

four. Generating the high fuel pressure expected for injection

The Bosch VP44 is an electronic rotary distributor pump that can vary fuelling and injection timing, and also consists of fuelling, timing, and diagnostic information.

The quantity one particular lead to of Bosch VP44 injection pump failure is a drop in fuel line pressure, which is usually due to a malfunctioning lift pump. Regular fuel pressure is about 15psi and if the pressure drops beneath 5psi an injection pump failure is probable. Don't forget bad lift pumps can run unnoticed till costly damage is accomplished to the Bosch VP44 injection pump.

The following are the prime two most widespread mechanical failures:

1. Examine Engine Code 216

This is the most typical mechanical alkaline water 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 water ionizer till the fuel is able 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 anymore, instead they replace it with a unit that is now mounted in the tank.

two. Rotor Seizure

Yet another mechanical failure with the Bosch VP44 injection pump happens when the rotor seizes in the distributor section of the pump. The most widespread trigger 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 stop operating, by no means to start yet again, until the Bosch VP44 injection pump is replaced.

Stopping Bosch VP44 injection pump Failure

The best way to keep away from failures of the Bosch VP44 injection pump is to stop them from occurring. Purchasing a replacement lift pump, 1 that is of a far better quality than what comes from the factory will assist. If that solution is also costly, you can also set up 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 easily fix the problem just before you shed the Bosch VP44 injection pump.

Stopping problems prior to they occur is the very best way to take care of your truck.