How to repair diesel leak off pipe?With the advent of fuel injection systems, the pressure on leak off pipe is higher than previously required. So, automakers are turning to more advanced leak off pipe connections to provide safer fuel line connections. Often, the only way to separate this tightly c

The diesel leak off pipe connects the injector to the spill rail, which takes the excess fuel back to the fuel pump and then back to the tank. They are small braided hoses that can wear down over time and draw air into the system. The following article will talk out how to deal with a leaking diesel leak off pipe.