System Overview

The DFI system consists of the following sub-systems: Fuel delivery, air induction, data sensors, Electronic Control Module (ECM), Body Control Module (BCM), Electronic Spark Timing (EST), Idle Speed Control (ISC), emission controls, closed loop fuel control, cruise control, diagnostic system, catalytic converter, Viscous Converter Clutch (VCC), and Torque Converter Clutch (TCC).