The VP44 injection pump is a common problem on the 1999 Dodge Cummins diesel. This pump is responsible for delivering fuel to the engine, and when it fails, it can cause the engine to stall or run poorly. Symptoms of a failing VP44 injection pump include:
2. Transmission Failure
The transmission is another common problem area on the 1999 Dodge Cummins diesel. The most common transmission problem is failure of the torque converter. Symptoms of a failing torque converter include:
1. Slipping
2. Stalling
3. Jerking
4. Whining noise
3. Cylinder Head Failure
Cylinder head failure is a serious problem that can occur on the 1999 Dodge Cummins diesel. This problem is caused by a crack in the cylinder head, which allows coolant to leak into the cylinders. Symptoms of cylinder head failure include:
1. White smoke from the exhaust
2. Loss of coolant
3. Overheating
4. Poor engine performance
4. Lifter Failure
Lifter failure is also a common problem on the 1999 Dodge Cummins diesel. Lifters are responsible for opening and closing the valves in the engine, and when they fail, it can cause the engine to run poorly. Symptoms of lifter failure include:
1. Ticking noise from the engine
2. Loss of power
3. Poor fuel economy
