This manual pertains to the 3S-GE engine, an inline-4, 2.0L (1998cc) powerplant known for its robust engineering and performance. Featuring a DOHC, 16-valve valvetrain and Electronic Fuel Injection (EFI), this engine is designed for efficiency and reliability across various applications. Its liquid-cooled system and forced lubrication ensure optimal operating temperatures and longevity, while the electronic ignition system provides precise spark control for consistent power delivery. This comprehensive Service and Repair Manual, written in English, provides essential information for maintaining and repairing the 3S-GE engine. It covers detailed procedures for technical maintenance, diagnosis, troubleshooting, and includes specific chapters on the EFI, cooling, lubrication, ignition, starting, and charging systems. With 495 pages of content, including actual photo illustrations and schemes, this searchable and bookmarked manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the peak performance and longevity of their 3S-GE engine.