This course provides an in-depth understanding of common rail diesel systems for both light and heavy vehicles. Participants will learn how the common rail system operates, including the high-pressure pump, fuel rail, injectors, and various sensors. The course covers key topics such as fuel pressure regulation, injection timing, and troubleshooting common rail components. Students will gain hands-on experience diagnosing and repairing common rail diesel systems, and by the end, will be able to efficiently maintain and enhance these systems for improved engine performance.