🏷️ Basic Information Identification Make: Mitsubishi Model: Plymouth Laser Codes Platform Code: DOHC DSM (Diamond-Star Motors) 👋 Introduction Market Position Segment: Compact Sports Coupe/Convertible Reputation: Known for performance, tuning potential, and distinctive styling, especially the turbocharged AWD variants. Competitive Analysis Competitors: Nissan 240SX, Toyota Celica, Honda Prelude, Mazda MX-6, Ford Probe Key Features Drivetrain Options: Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) available Engine Options: Naturally aspirated and turbocharged 4-cylinder engines, including the legendary 4G63T. Performance Variants: High-performance GS-T (Turbo FWD) and GS-X (Turbo AWD) models offered. 📋 Manual Details Coverage Areas Year Coverage: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 Trim Level Coverage: All trims including GS, GST, GSX, RS, ES, Base Page Count Estimated Pages: 1500+ Manual Type Type: Comprehensive Service & Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine Mechanical (2.0L 4G63 SOHC & DOHC, 2.4L 4G64 SOHC, 1.8L 4G37 SOHC), Fuel System, Ignition System, Cooling System, Lubrication System, Emission Control Systems Transmission Systems: Manual Transmission (F5M33, W5MG1), Automatic Transmission (F4A33, F4A51), Drivetrain (FWD, AWD) Chassis Systems: Suspension (Front MacPherson Strut, Rear Multi-link), Steering System, Brake System (Front Disc, Rear Disc/Drum), ABS Electrical Systems: Wiring Diagrams, Charging System, Starting System, Lighting, Instruments and Gauges, Audio System, Power Accessories (Windows, Locks, Mirrors), ECUs and Sensors Body And Interior: Body Panels, Doors, Windows, Seats, HVAC System, Interior Trim, Exterior Trim Procedures Included Maintenance Procedures: Oil and Filter Change, Spark Plug Replacement, Air Filter Replacement, Coolant Flush, Brake Fluid Flush, Belt Inspection and Replacement, Battery Service Repair Procedures: Engine Overhaul, Turbocharger Rebuild, Transmission Repair, Clutch Replacement, Suspension Component Replacement, Brake Caliper Rebuild, Electrical Component Diagnosis and Replacement, Body Panel Repair Troubleshooting: Diagnostic Trouble Codes (DTCs), Symptom-based Troubleshooting Guides, Component Testing Procedures Technical Depth Depth: Complete from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures and specifications. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Printability: Printable pages for workshop use Print Quality Resolution: High resolution for clear diagrams and text Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: 4G63 (DOHC Turbocharged) Displacement: 2.0 Liters (1997 cc) Configuration: Inline 4-Cylinder, DOHC, 16 Valves Horsepower Gsx Gst: 210-215 hp @ 6000 rpm (varies slightly by year and spec) Torque Gsx Gst: 200-215 lb-ft @ 3000 rpm (varies slightly by year and spec) Performance Engine Code Na: 4G63 (SOHC Naturally Aspirated) Displacement Na: 2.0 Liters (1997 cc) Horsepower Na: 135-140 hp @ 6000 rpm Torque Na: 130-140 lb-ft @ 4000 rpm Engine Code 2 4: 4G64 (SOHC Naturally Aspirated) Displacement 2 4: 2.4 Liters (2351 cc) Horsepower 2 4: 140-150 hp @ 5500-6000 rpm Torque 2 4: 150-155 lb-ft @ 4000-4500 rpm Fuel System Injection Type: Multi-Point Fuel Injection (MPI) Turbocharged Fuel System: Sequential Electronic Fuel Injection (SEFI) with Electronic Boost Control (EBC) 🔧 Transmission Standard Manual Transmission: 5-Speed Manual (F5M33) Optional Automatic Transmission: 4-Speed Automatic (F4A33) AWD Transmission: 5-Speed Manual AWD (W5MG1 on later models) Features Limited Slip Differential: Optional LSD available on AWD models (GS-X) Active Aero Spoiler: Some high-performance models featured active rear spoilers. 📐 Dimensions Exterior Length: Approx. 179.1 inches (4550 mm) Width: Approx. 69.1 inches (1755 mm) Height: Approx. 51.2 inches (1300 mm) Wheelbase: Approx. 98.8 inches (2510 mm) Weights Curb Weight FWD: Approx. 2850 - 3100 lbs (1293 - 1406 kg) Curb Weight AWD Turbo: Approx. 3200 - 3400 lbs (1451 - 1542 kg) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: Not rated or varies by year and specific test protocols. IIHS Small Overlap Front: N/A (Vehicle predates this testing protocol) Active Features ABS: Anti-lock Braking System (Standard on many models, especially AWD turbo) Passive Features Airbags: Driver and Passenger Airbags (Standard on later models) Seatbelts: 3-point front and rear seatbelts 💡 Technology Features Infotainment Audio System: Factory AM/FM Cassette stereo with optional CD player. Aftermarket head unit installation is common. Speakers: Typically 4-6 speaker configurations. Driver Assistance Cruise Control: Standard on most trims. Anti Lock Brakes: Available, often standard on higher trims or AWD models. Connectivity Early Diagnostics: OBD-I diagnostic system for earlier models, transitioning to OBD-II for later production years. 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,750 - 5,000 miles or 6 months, whichever comes first. (Consult manual for specific interval based on driving conditions). Engine Oil Type: Refer to manual; typically 5W-30 or 10W-30 API SG or higher. Engine Oil Capacity: Approx. 4.5 US Quarts (4.3 Liters) with filter (for 4G63/4G64). Timing Belt Replacement: Every 60,000 miles or 4 years for 4G63 and 4G64 engines. Critical for non-interference engine design. Spark Plug Replacement: Every 30,000 - 60,000 miles, depending on type (standard vs. platinum). Fluid Specifications Coolant: Ethylene Glycol based, typically Mitsubishi DiaQueen Super Long Life Coolant...