How to install Fuel Pressure Regulator kit for a 6.0L Ford Powerstroke diesel engine. The fuel pressure regulator kit is commonly referred to as the “Blue Spring” kit as it contains a blue spring.
A phrase that customers often use is, “This is a diesel engine; the problem should be easy to diagnose.” The most accurate part of that statement is that it is a diesel engine.
The 6.0 Powerstroke engine, like the 7.3 its predecessor, uses Hydraulic Electronic Unit Diesel Injectors (HEUI), which receive energy to open from engine lube oil that’s pressurized by a gear-driven high-pressure pump. The PCM communicates to the Fuel Injection Control Module (FICM) that it’s time to fire the injector. When that happens, an electrical signal…
