Heritage:
        
        
            The Lancer Evolution IX is a legendary performance sedan, renowned for its rally-bred engineering and all-wheel-drive capabilities.
        
     
    
    
        
            Competitors:
        
        
            Competed directly with performance sedans like the Subaru WRX STI, Audi S4, and BMW 3 Series performance variants.
        
     
    
    
        
            Performance Focus:
        
        
            Designed for spirited driving and track performance with advanced drivetrain and suspension technology.
        
     
    
    
        
            Cost Effectiveness:
        
        
            An inexpensive way to maintain and repair the vehicle, saving on dealership service costs.
        
     
    
    
        
            Users:
        
        
            Suitable for both DIY enthusiasts and professional mechanics.
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Yes, comprehensive coverage of the 4G63T engine.
        
     
    
        
            Engine Electrical:
        
        
            Yes, including wiring diagrams, sensor diagnostics, and ECU information.
        
     
    
        
            Emission Control:
        
        
            Yes, covering emission control systems and diagnostics.
        
     
    
        
            Fuel System:
        
        
            Yes, including fuel injection, pumps, injectors, and evaporative emission control.
        
     
    
        
            Suspension System:
        
        
            Yes, front and rear suspension, struts, control arms, and alignment.
        
     
    
        
            Clutch System:
        
        
            Yes, including clutch operation, inspection, and replacement procedures.
        
     
    
        
            Manual Transaxle:
        
        
            Yes, detailed procedures for the 5-speed or 6-speed manual gearbox.
        
     
    
        
            Automatic Transaxle:
        
        
            Yes, coverage for any automatic transmission variants offered.
        
     
    
        
            Drivetrain:
        
        
            Yes, including driveshafts, CV joints, differential, and transfer case.
        
     
    
        
            Steering System:
        
        
            Yes, power steering, steering rack, and column.
        
     
    
        
            Brake System:
        
        
            Yes, including ABS, brake lines, calipers, rotors, and hydraulic system.
        
     
    
        
            Body Interior Exterior:
        
        
            Yes, body panel removal, interior trim, and trim components.
        
     
    
        
            Body Electrical System:
        
        
            Yes, lighting, power windows, mirrors, and comfort controls.
        
     
    
        
            Restraint Systems:
        
        
            Yes, including airbags and seatbelt systems.
        
     
    
    
        
            Maintenance:
        
        
            Yes, oil changes, filter replacements, spark plugs, and fluid checks.
        
     
    
        
            Troubleshooting:
        
        
            Yes, extensive troubleshooting guides for common and complex issues.
        
     
    
        
            Repair:
        
        
            Yes, detailed step-by-step repair instructions for all major systems.
        
     
    
        
            Diagnostics:
        
        
            Yes, including OBD-II diagnostic trouble codes (DTCs) and diagnostic flowcharts.
        
     
    
        
            Engine Overhaul:
        
        
            Complete engine disassembly, inspection, and reassembly procedures for the 4G63T engine.
        
     
    
        
            Turbocharger Service:
        
        
            Detailed steps for turbocharger removal, inspection, and replacement.
        
     
    
        
            Electrical Diagnostics:
        
        
            Extensive wiring diagrams for all electrical systems, component testing procedures.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to full engine rebuilds and electrical system diagnostics.
        
     
 
    
    
    
    
        
            Engine Type:
        
        
            2.0L Inline-4, DOHC, 16-valve, turbocharged with intercooler and MIVEC (Mitsubishi Innovative Valve timing Electronic Control)
        
     
    
    
        
            Horsepower Est:
        
        
            Approx. 287 hp @ 6500 rpm (JDM/Euro spec might vary)
        
     
    
        
            Torque Est:
        
        
            Approx. 289 lb-ft @ 3500 rpm (JDM/Euro spec might vary)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI)
        
     
    
    
        
            Bore X Stroke:
        
        
            85.0 mm x 88.0 mm
        
     
    
    
    
        
            Coolant Type:
        
        
            Mitsubishi DiaQueen Super Long Life Coolant (or equivalent ethylene glycol-based coolant with a 50/50 mix)
        
     
 
    
    
    
        
            Type:
        
        
            6-speed manual transmission (Getrag G64M-R)
        
     
    
    
        
            Type:
        
        
            5-speed manual transmission (older models, potentially on some base variants or specific markets)
        
     
    
    
        
            AWD System:
        
        
            Advanced S-AYC (Super Active Center Differential) and ACD (Active Center Differential) for torque vectoring and traction control.
        
     
    
    
        
            Manual Transmission Fluid:
        
        
            Refer to manual for specific GL-3/GL-4 or GL-5 rated gear oil (e.g., Mitsubishi DiaQueen LSD Gear Oil)
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 4,490 mm (176.8 in)
        
     
    
        
            Width:
        
        
            Approx. 1,770 mm (69.7 in)
        
     
    
        
            Height:
        
        
            Approx. 1,415 mm (55.7 in)
        
     
    
    
        
            Wheelbase:
        
        
            Approx. 2,625 mm (103.3 in)
        
     
    
    
        
            Curb Weight Est:
        
        
            Approx. 1,450 kg (3,197 lbs)
        
     
 
    
    
    
        
            Crash Test Results:
        
        
            Varies by region; typically good frontal and side impact protection for its era.
        
     
    
    
        
            Traction Control:
        
        
            Yes, with ACD (Active Center Differential) and optional AYC (Active Yaw Control) on some models.
        
     
    
        
            ABS:
        
        
            Yes, Anti-lock Braking System
        
     
    
    
        
            Airbags:
        
        
            Driver and passenger front airbags
        
     
    
        
            Seatbelts:
        
        
            3-point seatbelts with pretensioners
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, or more frequently under spirited driving conditions.
        
     
    
        
            Spark Plugs:
        
        
            Refer to manual, typically around 30,000 - 60,000 miles for platinum or iridium plugs.
        
     
    
        
            Timing Belt:
        
        
            Crucial for the 4G63T. Typically 60,000 - 90,000 miles (96,000 - 145,000 km) or 7-10 years. Inspect tensioners and water pump at same time.
        
     
    
    
        
            Engine Oil:
        
        
            Refer to manual. Typically 5W-30 or 10W-30 synthetic oil (API SN or higher).
        
     
    
        
            Coolant Capacity:
        
        
            Approx. 7.2 Liters (7.6 Quarts)
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 synthetic brake fluid.
        
     
    
    
        
            Engine:
        
        
            Head gasket failures (often due to overheating or high boost pressure), oil consumption, turbocharger wear.
        
     
    
        
            Drivetrain:
        
        
            ACD pump failure, manual transmission synchro wear (especially in hard-driven cars).
        
     
    
        
            Suspension:
        
        
            Worn bushings, strut mounts, and ball joints are common with mileage and spirited use.
        
     
    
    
        
            Oil Filter Example:
        
        
            Mitsubishi MZ690162, or aftermarket equivalents like FRAM PH3593A, Wix 57712.
        
     
 
    
    
    
        
            Motorsport Legacy:
        
        
            Direct lineage from Mitsubishi's successful WRC (World Rally Championship) Lancer Evolution models.
        
     
    
    
        
            Evolution Ix Development:
        
        
            The Evo IX was an evolution of the Evo VIII, featuring MIVEC technology for improved power delivery and efficiency, a larger turbocharger, and revised gearing.
        
     
    
    
        
            Production Period:
        
        
            The CT9A chassis, including the Evo IX, was produced from 2003 to 2007.
        
     
    
    
        
            Trim Levels:
        
        
            GSR, RS (Rally Sport - lighter weight, rear helical LSD, 5-speed typically), MR (Mitsubishi Racing - higher spec suspension, 6-speed)