The Mazda Protege, chassis code BJ, represents a popular compact car from the early 2000s, with the 2001 model year offering a blend of sporty handling and practicality. Available in sedan and hatchback body styles, it was designed to compete in a segment known for affordability and reliability. Engine options for this generation included the 1.6L DOHC (Z5-DE), the 1.8L DOHC (BP-Z3), and the more performance-oriented 2.0L DOHC (FS-DE), particularly in GT models, delivering up to 140 horsepower. The Protege line was recognized for its engaging driving dynamics, a hallmark of Mazda's engineering philosophy, making it a compelling choice for everyday transportation and spirited driving alike.

This comprehensive factory service manual provides in-depth information for the Mazda Protege, covering a wide array of systems and procedures. It details maintenance tasks such as oil changes, filter replacements, and spark plug services, alongside more complex repair and overhaul procedures for the engine, transmission, brakes, suspension, and electrical systems. The manual includes diagnostic and troubleshooting guides, vital for identifying and resolving issues, as well as essential technical specifications and wiring diagrams. With over 1500 pages of content, this English-language manual is an indispensable resource for owners and professional technicians aiming to maintain, repair, and optimize their 2001 Mazda Protege.