The Protege, chassis code BJ, represents a segment of compact and economy cars renowned for Mazda's commitment to driving dynamics and reliable engineering. Introduced as part of the third generation, this model is powered by a 2.0L FS-DE DOHC inline-4 engine, producing between 122-130 horsepower, and is available with either a 5-speed manual or a 4-speed automatic transmission. Known for its sporty handling and competitive pricing, the Protege aimed to provide an engaging driving experience within its class, often compared favorably to contemporaries like the Honda Civic and Toyota Corolla. Its design focuses on a balance of practicality and driver engagement, making it a solid choice for daily commuting and spirited driving alike.

This comprehensive Factory Service Manual, presented in English, provides in-depth technical information crucial for the maintenance and repair of the 2001 Protege. It covers all major systems, including engine mechanicals, fuel and emission controls, drivetrain, suspension, steering, brakes, and the complete electrical system. Detailed procedures for routine maintenance, component replacement, troubleshooting common issues, and advanced diagnostics are thoroughly explained. This manual is an essential resource for professional technicians and dedicated DIY enthusiasts seeking to ensure the optimal performance, longevity, and safety of their Protege.