The 1991 Audi 200 represents Audi's commitment to executive-class motoring, blending performance, luxury, and advanced engineering for its era. Positioned against premium European sedans, it offered a refined driving experience characterized by its robust construction and sophisticated design. Key features included the renowned Quattro all-wheel-drive system, available turbocharged engines, and a focus on aerodynamic efficiency, making it a compelling choice for discerning drivers seeking a blend of comfort and capability. This model, built on the well-regarded Type 44 platform, signifies a peak in Audi's development before the introduction of the subsequent A6 generation. This comprehensive factory service manual provides detailed technical information and procedural guidance for the 1991 Audi 200. It covers all essential systems, including engine mechanicals, fuel and emissions, electrical systems, transmission, driveline, suspension, steering, brakes, and HVAC. The manual includes maintenance schedules, step-by-step repair instructions, troubleshooting guides, and diagnostic procedures, along with crucial technical specifications and wiring diagrams. Its purpose is to empower owners, technicians, and mechanics with the knowledge necessary for accurate diagnosis, effective repair, and proper maintenance, ensuring the longevity and optimal performance of the vehicle. 🏷️ Basic Information Identification Make: Audi Model: 200 Year: 1991 Codes Chassis Code: Type 44/44Q Engine Code Range: MC, KG, NF, NP, JT, WC, WX 👋 Introduction Market Position Market Position: The Audi 200 of the 1991 model year represented Audi's upper-mid-range executive sedan, positioned against competitors like the BMW 5 Series and Mercedes-Benz E-Class. It emphasized Quattro all-wheel drive, refined interiors, and a more performance-oriented approach compared to some rivals. Competitive Analysis Competitive Analysis: Competed primarily on its advanced Quattro all-wheel-drive system, turbocharged engine options (in certain markets/trims), and German build quality. It offered a strong blend of performance and luxury for its era. Key Features Key Features: Available with 2.3L 5-cylinder naturally aspirated or turbocharged engines, standard or optional Quattro all-wheel drive, luxurious interior appointments, advanced (for the time) safety features, and a focus on aerodynamic design. 📋 Manual Details Coverage Areas Systems Covered: Engine mechanical, engine fuel & emissions, engine electrical, transmission (manual & automatic), driveline, steering, suspension, brakes, body & chassis, heating & air conditioning, electrical system, body interior, body exterior, maintenance, troubleshooting, diagnostic codes, specifications. Page Count Estimated Page Count: Approximately 1500-2000 (typical for full factory service manuals of this era) Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul procedures, cylinder head, block, pistons, crankshaft, camshaft, timing, valve train, lubrication system, cooling system. Engine Fuel And Emissions: Fuel injection systems (K-Jetronic, KE-Jetronic, CIS-E), fuel pumps, injectors, fuel lines, emission control systems (catalytic converter, EGR, O2 sensors). Engine Electrical: Ignition system, starter motor, alternator, battery, wiring diagrams, sensors (crankshaft, camshaft, coolant temp), ECU functions. Transmission And Driveline: Manual transmission (gearbox disassembly/assembly, clutch, synchros), Automatic transmission (torque converter, valve body, planetary gears, hydraulic system), differential, CV joints, driveshafts, Quattro AWD system (if applicable). Suspension And Steering: Front and rear suspension components (struts, shocks, control arms, bushings, springs), steering rack, power steering system, wheel alignment specifications. Brakes: Front and rear brake systems (disc brakes), ABS system (if equipped), hydraulic lines, master cylinder, calipers, brake pad/rotor replacement, bleeding procedures. Body And Chassis: Body construction, frame, panel removal/installation, door mechanisms, window regulators, convertible top (if applicable), chassis lubrication. HVAC: Heating and air conditioning system operation, refrigerant, compressor, blower motor, control panels, ducting, leak testing. Electrical System And Accessories: Lighting system, power windows, power locks, mirrors, central locking, radio, dashboard instruments, warning lights, fuses, relays, battery charging system. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, belt inspection/replacement, fluid checks and changes. Repair: Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation across all covered systems. Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting, fault code interpretation, common problems and their solutions. Diagnostics: Procedures for diagnosing issues with engine management, fuel systems, ignition, ABS, and other electronic components. Includes OBD-I diagnostic connector location and basic codes. Technical Depth Technical Depth: Comprehensive. Covers everything from basic fluid level checks and filter changes to full engine rebuilds, transmission overhauls, and complex electrical system diagnostics. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High resolution, printable, searchable text (typical for quality scanned factory manuals) Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Displacement 1: 2.3 Liters (2309 cc) Engine Configuration 1: Inline 5-cylinder, SOHC Engine Code 1: NG (Naturally Aspirated, CIS-E Fuel Injection) Horsepower 1 Na: Approx. 134 hp @ 5500 rpm Torque 1 Na: Approx. 145 lb-ft @ 3500 rpm Engine Code 2: KG (Turbocharged, K-Jetronic Fuel Injection) Horsepower 1 Turbo: Approx. 165 hp @ 5500 rpm Torque 1 Turbo: Approx. 200 lb-ft @ 3000 rpm Fuel System Fuel Injection System Na: Bosch CIS-E (Continuous Injection...