This Service Repair Workshop Manual provides comprehensive information for the Mazda BP-DOHC engine. This engine family, featuring a DOHC design, 1839cc displacement, and multi-point fuel injection, is known for its engineering quality and reliability. The manual covers essential details for maintaining and repairing this specific engine, ensuring optimal performance and longevity. This manual is designed to be an indispensable resource for owners, mechanics, and technicians. It includes detailed step-by-step repair procedures, a comprehensive troubleshooting guide, and a listing of required special tools. Furthermore, it provides all critical tightening torques and detailed servicing specifications, along with information on routine maintenance, ensuring that all aspects of the vehicle's upkeep are thoroughly addressed.