A diesel fuel lift pump is a lift pump that transfers fuel from the tank to the fuel injection system. Because in modern vehicles the tank is located below the engine, the fuel has to be lifted up from the tank to the en... More »

Common problems with Duramax diesel engines include air in the fuel lines, fuel starvation, water pump failure, overheating, injector failure and harness chafing. Some of these issues are preventable with certain modific... More »

The most common problem with the 24-valve Cummins diesel engine is the 53 block problem, and less common problems include a bad crankshaft position sensor, a weak lift pump, intermittent high-engine idle and excessive en... More »

The Robert Bosch Verteiler diesel injection pump has a metering plunger and a distributor mechanism that sends fuel to the correct cylinder. The pump varies the injection timing in response to the engine's revolutions, a... More »

The diesel fuel injection pump delivers tightly controlled amounts of diesel fuel into the cylinders of the engine or the prechambers of the cylinders. The pumps are driven by plungers that, through translation, meters t... More »

Diesel injection pump timing is important because fuel must inject at the proper time for the diesel engine to run properly and efficiently. Without proper injection pump timing, an engine is more difficult to start, run... More »

Before installing a fuel injection system, remove the fuel pump and crank the engine a few times to relieve fuel pressure. Use tools specifically designed for a fuel injection system as they will make the job easier. More »