they can develop leaks and electrical parts can fail. A worn injection pump will make a diesel engine harder to start and is often accompanied by a loss of power, though a faulty fuel supply pump ...

Fuel pumps for diesel and petrol engines are not quite the same. Diesel (known in some markets as gasoil) is a lubricant; ...

also from S&S Diesel Motorsport. The Disaster Prevention Kit doesn't include the materials for swapping the CP4 with the older CP3 pump. Instead, it has parts to reroute the fuel return lines ...