Unfortunately, cracks on the passenger side OEM exhaust manifold is a common problem with heavy duty use of this engine: work trucks, motor homes, school buses, where the engine is run at high loads for extended periods. They tend to...
Hello and thank you for your question. Perform a fuel pressure test. Even though the fuel is pulsing out of the injectors with the engine cranking the fuel pressure could be too low. The system must have a minimum of...
