This Service Repair Workshop Manual provides comprehensive information for Mitsubishi vehicles equipped with the 4G5 engine family. This versatile engine, known for its robust construction and adaptability, has been utilized across multiple generations, offering displacement variants of 2.0L, 2.3L, and 2.6L. These inline 4-cylinder gasoline engines feature a SOHC valve train and can be configured with either carburetor or fuel injection systems, depending on the specific model and year. With typical power outputs ranging from 80 to 125 horsepower and torque between 100 to 165 lb-ft, the 4G5 engine family has powered a variety of vehicles, often featuring FWD, RWD, or AWD drivetrains and available with manual or automatic transmissions. This manual is designed to serve as an authoritative resource for mechanics and technicians, detailing essential maintenance procedures, troubleshooting guides, and technical specifications. It covers critical aspects such as engine oil capacity, coolant capacity, spark plug gap settings, and timing belt replacement intervals, offering guidance for common maintenance tasks. Furthermore, the manual delves into the intricacies of the engine's ignition and cooling systems, providing the necessary knowledge to ensure optimal performance and longevity of the vehicle. By adhering to the guidelines within this manual, owners and service professionals can effectively maintain and repair their Mitsubishi vehicles.