This manual covers the Toyota 2GR-FE engine, a naturally aspirated V6 engine with DOHC, 24 valves, and Electronic Fuel Injection. This versatile powertrain, displacing 3.5 liters (3456 cc), delivers an estimated 268 horsepower at 6200 rpm and 248 lb-ft of torque at 4700 rpm, featuring a bore x stroke of 94.0 mm x 83.0 mm and a compression ratio of 11.8:1. The 2GR-FE is known for its robust engineering and reliability, powering a range of popular Toyota and Lexus models including the Camry, Avalon, Highlander, Sienna, RAV4, Lexus ES, RX, and GS. Its liquid-cooled system and electronic ignition ensure efficient and dependable operation across various applications. This Factory Service Manual provides comprehensive guidance for the engine service, repair, operation, diagnostics, installation, and maintenance of the 2GR-FE engine. It details essential specifications such as the recommended SAE 0W-20 engine oil and a capacity of 6.4 US quarts (6.1 Liters) with filter. The manual is written in English and is intended to assist owners, mechanics, and technicians in understanding and performing necessary upkeep and repairs, ensuring the continued performance and longevity of the engine.