Market Segment:
        
        
            Compact Sedan/Hatchback
        
     
    
        
            Historical Reputation:
        
        
            Known for reliability, sporty handling, and value for money. Competed effectively in its segment.
        
     
    
    
        
            Key Competitors:
        
        
            Honda Civic, Toyota Corolla, Nissan Sentra, Ford Focus
        
     
    
    
        
            Value Proposition:
        
        
            Offers comprehensive factory-level repair information, surpassing incomplete or generic guides. Enables in-depth maintenance and repair, saving on labor costs.
        
     
    
        
            Completeness Assurance:
        
        
            Emphasizes 'COMPLETE' coverage, suggesting no missing sections or critical procedures, unlike potentially cheaper alternatives.
        
     
 
    
    
    
        
            Engine Systems:
        
        
            Engine mechanical (including cylinder head, block, pistons, crankshaft), lubrication, cooling, fuel injection, ignition, emission controls, engine management systems (ECU diagnostics), turbocharger (if applicable)
        
     
    
        
            Transmission Systems:
        
        
            Manual and Automatic transmission overhaul, clutch system, drive axles, differential, transmission control modules (TCM diagnostics)
        
     
    
        
            Braking Systems:
        
        
            Front and rear brake systems (disc and drum), Anti-lock Braking System (ABS) diagnosis and repair, parking brake
        
     
    
        
            Suspension Steering Systems:
        
        
            Front and rear suspension components (struts, shocks, control arms, ball joints, bushings), steering system (rack and pinion, power steering), wheel alignment specifications
        
     
    
        
            Electrical Systems:
        
        
            Battery, charging system (alternator), starting system, lighting systems, instrument cluster, power windows, door locks, mirrors, wiper/washer systems, audio systems, fuses and relays, wiring diagrams
        
     
    
        
            HVAC Systems:
        
        
            Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis, refrigerant handling, component replacement
        
     
    
        
            Body Chassis Systems:
        
        
            Body exterior panels, interior trim, doors, hood, trunk, glass, chassis components, corrosion protection, frame specifications
        
     
    
    
        
            Maintenance Procedures:
        
        
            Scheduled maintenance tasks (oil changes, filter replacements, fluid checks, belt inspections), tune-up procedures, lubrication points
        
     
    
        
            Diagnostic Procedures:
        
        
            Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation, fault finding for all major systems
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for component removal, installation, overhaul, and adjustment for all major systems
        
     
    
        
            Special Tools:
        
        
            Identification and usage of special tools required for specific repair and diagnostic tasks
        
     
    
    
        
            Technical Depth:
        
        
            Comprehensive from basic fluid checks and adjustments to complete engine and transmission rebuilds, including electrical system troubleshooting and component replacement.
        
     
 
    
    
    
        
            Engine Code Common:
        
        
            FS-DE (2.0L DOHC I4)
        
     
    
        
            Engine Displacement:
        
        
            1998 cc (2.0 Liters)
        
     
    
        
            Engine Type:
        
        
            Inline 4-cylinder, DOHC, 16 Valves
        
     
    
    
        
            Horsepower Typical:
        
        
            Approx. 122-130 hp (depending on trim and market)
        
     
    
        
            Torque Typical:
        
        
            Approx. 130-135 lb-ft (depending on trim and market)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MPI)
        
     
    
        
            Recommended Fuel:
        
        
            87 Octane Unleaded Gasoline
        
     
    
    
        
            Engine Control Unit:
        
        
            Engine Control Module (ECM) with OBD-II diagnostics
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Approx. 102.8 inches (2611 mm)
        
     
    
        
            Length:
        
        
            Approx. 172.8 inches (4389 mm) for Sedan, 165.7 inches (4209 mm) for Hatchback
        
     
    
        
            Width:
        
        
            Approx. 67.7 inches (1720 mm)
        
     
    
        
            Height:
        
        
            Approx. 55.1 inches (1400 mm) for Sedan, 55.7 inches (1415 mm) for Hatchback
        
     
    
    
        
            Curb Weight:
        
        
            Approx. 2600-2800 lbs (1180-1270 kg), varies by trim and body style
        
     
    
        
            Wheel Bolt Pattern:
        
        
            4x100mm
        
     
    
        
            Wheel Size:
        
        
            Typically 14-inch or 15-inch, with optional 16-inch on performance trims
        
     
 
    
    
    
        
            NHTSA Front Crash Test:
        
        
            4-star driver, 4-star passenger (for specific configurations; can vary by year)
        
     
    
        
            IIHS Side Crash Test:
        
        
            Good (for specific configurations; can vary by year)
        
     
    
    
        
            Active Safety Features:
        
        
            Front disc brakes, Rear drum brakes (often with optional rear discs), Anti-lock Braking System (ABS) available on higher trims
        
     
    
    
        
            Passive Safety Features:
        
        
            Dual front airbags, crumple zones, side-impact door beams, front seatbelt pretensioners
        
     
 
    
    
    
        
            Infotainment Systems:
        
        
            Basic AM/FM radio with CD player or cassette player, optional premium audio systems on higher trims.
        
     
    
    
        
            Driver Assistance Features:
        
        
            Limited by modern standards. Primarily focused on ABS availability. Cruise control standard on many models.
        
     
    
    
        
            Connectivity Features:
        
        
            No integrated Bluetooth or USB connectivity in this era. May have provisions for aftermarket stereos.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 7,500 miles (12,000 km) or 6 months, whichever comes first, under normal driving conditions.
        
     
    
        
            Engine Oil Filter Replacement:
        
        
            Replace with every oil change.
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000-30,000 miles (24,000-48,000 km), or as needed based on driving environment.
        
     
    
        
            Spark Plug Replacement:
        
        
            Approx. 60,000-100,000 miles (96,000-160,000 km) for platinum or iridium plugs.
        
     
    
        
            Coolant Flush:
        
        
            Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years.
        
     
    
    
        
            Engine Oil Viscosity:
        
        
            5W-30 API SN or higher
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 4.2 US quarts (4.0 Liters) with filter change
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4
        
     
    
        
            Power Steering Fluid:
        
        
            ATF Dexron II or III compatible fluid
        
     
    
    
        
            Common Engine Issues:
        
        
            Intake manifold gasket leaks, oil leaks (valve cover, oil pan), occasional ignition coil failure.
        
     
    
        
            Common Transmission Issues:
        
        
            Automatic transmission clutch wear, manual transmission clutch wear, synchro issues in manual transmissions.
        
     
    
        
            Common Suspension Steering Issues:
        
        
            Worn bushings (control arm, sway bar), worn ball joints, tie rod end wear, power steering pump whine.
        
     
    
        
            Common Electrical Issues:
        
        
            Window regulator failures, door lock actuator issues, radiator fan motor failure, alternator issues.
        
     
    
        
            Common Body Issues:
        
        
            Rust (particularly on rocker panels, wheel wells, and rear quarter panels in rust-prone climates), door lock actuator failure.
        
     
 
    
    
    
        
            Mazda Philosophy:
        
        
            Known for its 'Zoom-Zoom' driving philosophy, emphasizing responsive handling and driver engagement.
        
     
    
    
        
            First Generation:
        
        
            Introduced in 1990 as a compact car, evolving through several generations.
        
     
    
        
            Third Generation Period:
        
        
            The 1998-2003 models represent the third generation of the Protegé, often referred to as the BJ platform.
        
     
    
        
            Trim Levels Evolution:
        
        
            Included DX, LX, ES, and the sporty MP3 (in later years) and Mazdaspeed Protegé trims, offering varying levels of equipment and performance.
        
     
    
    
        
            Production Location:
        
        
            Primarily assembled in Hofu, Yamaguchi, Japan and also in Mexico.