This manual provides detailed information regarding the 1 MZFE engine, a V6, 3.0-liter, 24-valve DOHC powerplant. Engineered with precision, this engine features six cylinders arranged in a 60-degree V configuration. Cylinder numbering proceeds from front to back, with odd numbers (1, 3, 5) on the right-hand bank and even numbers (2, 4, 6) on the left-hand bank. The crankshaft, supported by four copper and lead alloy bearings, is equipped with nine semi-counterweights to ensure optimal balance. Internal oil passages facilitate lubrication to critical components, including connecting rods, bearings, and pistons.

The purpose of this manual is to serve as a comprehensive resource for understanding, maintaining, and servicing the 1 MZFE engine. It covers essential technical specifications, operational principles, and maintenance procedures necessary for optimal performance and longevity. Technicians and owners will find detailed explanations of engine construction, component functions, and lubrication systems, enabling effective troubleshooting and repair. Adherence to the guidelines within this manual will ensure the continued reliability and efficiency of the engine.