This comprehensive Factory Service Repair Manual provides detailed service and repair information for the Isuzu Engine C22NE, 22LE, and 20LE. It covers a wide range of topics, including engine specifications, troubleshooting procedures, component diagrams, wiring diagrams, maintenance schedules, and step-by-step repair instructions. The manual is an invaluable resource for mechanics, technicians, and DIY enthusiasts seeking to understand and maintain these Isuzu engines. Whether you're tackling a routine oil change or a complex engine rebuild, this manual empowers you with the knowledge and guidance to perform the necessary tasks effectively and confidently.

The Isuzu C22NE, 22LE, and 20LE engines are a family of gasoline-powered four-cylinder engines produced by Isuzu Motors from 1986 to 2001. These engines are known for their durability, reliability, and fuel efficiency, making them popular choices for a wide range of applications. The C22NE, 22LE, and 20LE engines are all based on the same basic design, but they differ in terms of displacement, bore and stroke, and other features. The C22NE engine, with its 2.2-liter displacement, was primarily used in Isuzu's passenger cars and light trucks, while the 22LE engine, also with a 2.2-liter displacement, was commonly found in Isuzu's pickup trucks and SUVs. The 20LE engine, featuring a smaller 2.0-liter displacement, was primarily utilized in Isuzu's passenger cars. The Isuzu C22NE, 22LE, and 20LE engines are known for their simplicity and robustness. They feature a cast-iron engine block, a cast-aluminum cylinder head, and a single overhead camshaft (SOHC) design. These engines were originally equipped with a carburetor, but later models were upgraded to multi-point fuel injection for improved fuel efficiency and performance. The C22NE, 22LE, and 20LE engines are also notable for their relatively low operating costs, making them attractive choices for owners who prioritize affordability. The C22NE, 22LE, and 20LE engines are well-regarded for their durability and reliability, making them suitable for both daily driving and off-road adventures. Their simple design also makes them relatively easy to maintain and repair. These factors have contributed to their long-standing popularity among Isuzu enthusiasts and mechanics alike.