Positioning:
        
        
            A homologation special built for rally racing, offering exceptional performance and handling in a road-legal package. Known as a driver's car.
        
     
    
    
        
            Competitors:
        
        
            Subaru Impreza WRX STi, Ford Escort RS Cosworth, Lancia Delta Integrale Evoluzione
        
     
    
    
        
            Performance Enhancements:
        
        
            Aggressive styling, powerful turbocharged engine, advanced all-wheel-drive system with Active Yaw Control (AYC), upgraded suspension and brakes
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Complete overhaul, component testing, timing belt replacement, turbocharger service, cooling system, lubrication system
        
     
    
        
            Engine Management Electronic:
        
        
            ECU diagnosis, sensor testing (MAP, TPS, IAT, Knock, O2), fuel injection system, ignition system, emissions control
        
     
    
        
            Transmission Manual:
        
        
            Clutch system, gearbox overhaul, gear shift mechanism, lubrication, flywheel replacement
        
     
    
        
            Transmission AWD:
        
        
            Active Yaw Control (AYC) system diagnosis and calibration, transfer case, center differential, rear differential
        
     
    
        
            Drivetrain:
        
        
            Driveshafts, CV joints, wheel hubs, axle components
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, shock absorbers, springs, control arms, anti-roll bars, strut tower braces
        
     
    
        
            Steering:
        
        
            Power steering system, steering rack, tie rods, steering column
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems, ABS operation and diagnosis, brake fluid, caliper service, rotor replacement, brake lines
        
     
    
        
            Electrical System:
        
        
            Battery, charging system, starter, lighting, horn, wipers, power windows, mirrors, fuses, relays, wiring diagrams
        
     
    
        
            Body And Chassis:
        
        
            Body panel alignment, door mechanisms, interior trim, chassis components, rust prevention, body repair techniques
        
     
    
        
            Climate Control:
        
        
            HVAC system diagnosis, refrigerant, compressor, heater core, A/C system service
        
     
    
    
        
            Scheduled Maintenance:
        
        
            Oil changes, filter replacements, fluid checks and changes, spark plug replacement, brake inspections, tire rotation
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides for all major systems
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for engine, transmission, suspension, brake, electrical, and body component repair and replacement
        
     
    
        
            Diagnostics:
        
        
            Detailed diagnostic procedures for electronic control units (ECUs), sensors, actuators, and mechanical systems
        
     
    
        
            Wiring Diagrams:
        
        
            Comprehensive electrical wiring schematics for all vehicle systems
        
     
    
    
        
            Depth:
        
        
            Comprehensive: Covers basic maintenance to full engine and transmission rebuilds, including complex electronic diagnostics and AYC system calibration
        
     
 
    
    
    
        
            Engine Type:
        
        
            2.0L Inline-4 DOHC 16-valve Turbocharged (4G63T)
        
     
    
    
        
            Horsepower:
        
        
            280 PS (276 hp; 206 kW) at 6,500 rpm (JDM Spec)
        
     
    
        
            Torque:
        
        
            350 Nm (258 lb-ft) at 3,000 rpm (JDM Spec)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI) with multi-point injection
        
     
    
        
            Turbocharger:
        
        
            Mitsubishi TD05HR-16G twin-scroll turbocharger with intercooler
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene Glycol based coolant (e.g., Mitsubishi DiaQueen Super Long Life Coolant, or equivalent)
        
     
    
    
        
            Oil Type:
        
        
            SAE 10W-30 or 10W-40 API SG or higher (e.g., Mitsubishi DiaQueen ECO-Action SAE 10W-30)
        
     
    
        
            Oil Capacity:
        
        
            Approx. 4.5 Liters (4.8 US Quarts) with filter
        
     
    
    
        
            Ignition System:
        
        
            Distributorless ignition system (DIS) with individual ignition coils
        
     
 
    
    
    
        
            Type:
        
        
            5-speed Manual Transmission (F5M51)
        
     
    
    
        
            Type:
        
        
            N/A (Manual transmission was standard for Evo IV)
        
     
    
    
        
            Drivetrain:
        
        
            All-Wheel Drive (AWD) with Active Yaw Control (AYC)
        
     
    
        
            Ayc System:
        
        
            Hydraulically controlled differential for torque vectoring to the rear wheels
        
     
    
    
        
            Gearbox Oil Type:
        
        
            API GL-4 or GL-5, SAE 75W-90 (e.g., Mitsubishi DiaQueen LSD Gear Oil 75W-90)
        
     
    
        
            Transfer Case Oil Type:
        
        
            API GL-4 or GL-5, SAE 75W-90 (e.g., Mitsubishi DiaQueen LSD Gear Oil 75W-90)
        
     
    
        
            Ayc Oil Type:
        
        
            Special AYC fluid, consult manual for specific type (often a high-viscosity hydraulic fluid)
        
     
 
    
    
    
        
            NHTSA Rating:
        
        
            N/A (Vehicle not designed to meet modern US safety standards)
        
     
    
        
            Ancap Rating:
        
        
            N/A (Vehicle not officially tested by ANCAP)
        
     
    
    
        
            ABS:
        
        
            Standard Anti-lock Braking System (ABS)
        
     
    
        
            Ayc:
        
        
            Active Yaw Control (AYC) for enhanced cornering stability
        
     
    
    
        
            Airbags:
        
        
            Driver's airbag standard (Passenger airbag optional or unavailable depending on market)
        
     
    
        
            Seatbelts:
        
        
            3-point front seatbelts with pre-tensioners, 3-point rear seatbelts
        
     
    
        
            Chassis Reinforcement:
        
        
            Reinforced chassis structure for increased rigidity and crash protection
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 5,000 km (3,000 miles) or 6 months, whichever comes first, especially under strenuous driving conditions.
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 km (9,000 miles) or annually.
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 30,000 km (18,000 miles).
        
     
    
        
            Timing Belt Replacement:
        
        
            Every 100,000 km (60,000 miles) or 5 years, whichever comes first.
        
     
    
        
            Brake Fluid Change:
        
        
            Every 2 years or 30,000 km (18,000 miles).
        
     
    
        
            Coolant Flush:
        
        
            Every 2 years or 40,000 km (24,000 miles).
        
     
    
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4
        
     
    
        
            Power Steering Fluid:
        
        
            Dexron-II or equivalent automatic transmission fluid (ATF)
        
     
    
    
        
            Engine Reliability:
        
        
            Robust 4G63T engine, but prone to ring land failure if consistently overheated or run with poor fuel quality. Regular maintenance is critical.
        
     
    
        
            Ayc System Reliability:
        
        
            AYC pump and sensors can be prone to failure over time, leading to loss of functionality. Proper fluid changes and diagnostics are key.
        
     
    
        
            Turbocharger:
        
        
            The TD05HR turbo is robust but requires proper warm-up and cool-down procedures to prevent premature wear. Oil starvation can cause significant damage.
        
     
    
        
            Clutch Wear:
        
        
            Due to the performance nature of the car, clutches can wear faster than average, especially with spirited driving.
        
     
    
        
            Suspension Bushings:
        
        
            Rubber suspension bushings can degrade over time, affecting handling and ride quality.