Chevrolet Spark Workshop Manual on the Computer Control System (C3), written in Spanish. This document details the operation of the fuel injection system and the electronic control unit (ECM) for reducing emissions. It explains the components of the fuel system and describes the function and location of various sensors and actuators, such as the ECT, TP, MAF, CKP, CMP, MAP, and the EGR valve. It also covers the electronic ignition system and the throttle actuator control (TAC).