Citroën HDI Injection Training

This document provides an overview of the Bosch EDC 15C2 HDI direct injection system used in Citroën diesel engines, which is combined with a particle filter system. It describes the components and functions of the fuel supply, air supply, exhaust gas recycling, and particle filter systems. It also outlines the operating phases of the injection system, including turbocharging pressure regulation, exhaust gas recycling regulation, and pre-heating and post-heating operations. The document is intended as a technical training guide for Citroën dealers on the components and functionality of the combined Bosch HDI and particle filter system.