This manual covers various Toyota vehicles equipped with the L, 2L, or 2L-T engine families. These 2.0 L (1974 cc) inline-4 diesel engines, including the turbocharged 2L-T variant, are known for their robust construction and reliability, forming the backbone of many dependable Toyota models. The L series engines provide efficient power delivery, with the 2L offering slightly more output and the 2L-T introducing turbocharging for enhanced performance. These engines are designed for durability and are suitable for a wide range of applications where consistent performance and fuel economy are paramount. This Factory Service Repair Manual, presented in English, provides comprehensive guidance for the repair, operation, diagnostics, maintenance, and installation of these Toyota engines. It details essential procedures such as recommended oil grades, oil and coolant capacities, and timing belt replacement intervals. Information on glow plugs, crucial for cold starts in diesel engines, is also included. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their Toyota vehicles equipped with the L, 2L, or 2L-T diesel engines.