🏷️ Basic Information Identification Make: Isuzu Model: Stylus Year: 1991 👋 Introduction Market Position Market Position: Targeted at DIY enthusiasts and independent repair shops for the 1991 Isuzu Stylus. Competitive Analysis Competitive Analysis: Offers a modern, accessible alternative to outdated and hard-to-find printed manuals, providing licensed OE data. Key Features Key Features: Licensed OE data, instant online access, compatibility with multiple devices, comprehensive coverage, cost-effective. Market Segment Market Segment: Subcompact/Compact Sporty Hatchback/Coupe Value Proposition Value Proposition: Provides significant cost savings compared to dealership repairs and outdated printed manuals by empowering owners with factory-level information. 📋 Manual Details Identification Manual Type: Official Service and Repair Manual Software Manual Provider: RepairSurge (with licensed OE materials) Format: Online Software (accessible via web browser) Access Duration: 1 Year (with options for extension) Language: English Coverage Areas Coverage Areas: All mechanical and electrical systems of the 1991 Isuzu Stylus. Includes detailed diagrams, specifications, and repair procedures. Usability User Interface: Intuitive web-based interface, easy navigation through sections and procedures. Device Compatibility: Compatible with PC, laptop, smartphone, and tablet via web browser and internet connection. 📖 Manual Coverage Systems Covered Engine: Complete service, repair, diagnostics, and overhaul Drivetrain: Transmission, axles, driveshafts, differentials Suspension: Front and rear suspension components, alignment, shock absorbers, springs Steering: Steering gear, power steering system, steering linkage Brakes: Hydraulic system, calipers, rotors, drums, parking brake, ABS (if equipped) Electrical System: Wiring diagrams, lighting, starting and charging systems, ignition system, accessories Heating And Air Conditioning: HVAC system components, refrigerant, operation, diagnosis Fuel System: Fuel pump, injectors, lines, tank, emission controls Exhaust System: Manifolds, pipes, muffler, catalytic converter Bodywork: Body panel repair, doors, windows, trim Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks Troubleshooting: Diagnostic procedures for common and uncommon issues, symptom-based diagnosis Repair: Step-by-step repair instructions for all major components and systems Rebuilds: Complete engine and transmission rebuild procedures Diagnosis: Detailed diagnostic flowcharts and procedures Engine Management Diagnosis: Diagnosis of fuel injection and ignition systems, sensor testing, ECU troubleshooting. Chassis Tuning: Information related to suspension geometry, alignment specifications, and potential Lotus tuning influences. Interior Trim Removal: Procedures for removing and reinstalling interior panels, seats, and dashboard components. Exterior Body Panel Repair: Instructions for dent repair, panel replacement, and alignment of body panels. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complete engine/transmission overhauls and complex electrical diagnostics. Diagnostic Codes: Covers OBD-I diagnostic procedures and trouble codes (if applicable to the specific variant). 📊 Manual Specifications File Format File Format: Web-based software; not a downloadable file Print Quality Print Quality: N/A (digital format only) Binding Type Binding Type: N/A (digital format only) Paper Type Paper Type: N/A (digital format only) ⚙️ Engine Specifications Primary Engine Engine Code: G161 (likely, common for 1.6L Isuzu engines of this era, requires manual verification) Engine Type: Inline 4-Cylinder, SOHC (Single Overhead Camshaft) Displacement: 1.6 Liters (1598 cc) Performance Horsepower: Approx. 85-90 HP (at 5,600 rpm, subject to market and specific tune) Torque: Approx. 95-100 lb-ft (at 3,000 rpm, subject to market and specific tune) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Engine Management Ignition System: Distributor-based electronic ignition Emission Controls: Catalytic converter, EGR (Exhaust Gas Recirculation), O2 sensor 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transaxle Optional Transmission Type: 3-Speed Automatic Transaxle (likely) Features Transmission Fluid: API GL-4, SAE 75W-90 (Manual); Dexron-III or equivalent (Automatic) - Verify with manual 📐 Dimensions Exterior Body Styles: 3-door hatchback, 5-door hatchback, 3-door SUV/Crossover (Stylus was typically a hatchback, but Isuzu nomenclature can vary; 'Stylus' often referred to the Geo Storm in North America, which was based on the Isuzu Piazza/Gemini platform, or a specific variant of the Impulse/Piazza. For 1991, it's most commonly associated with the Geo Storm equivalent.) 💡 Technology Features Infotainment Infotainment System: Basic AM/FM stereo with cassette player, optional CD player. Analog gauges and controls. Driver Assistance Driver Assistance Features: Limited to basic systems of the era, no advanced electronic driver aids like ABS (standard on all models), traction control, or stability control. Connectivity Connectivity: No modern connectivity features (Bluetooth, USB, Wi-Fi). 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 miles or 6 months (typical for the era, consult manual for exact) Timing Belt Replacement: Every 60,000 - 100,000 miles (crucial for interference engines, check manual for belt type and interval) Fluid Specifications Engine Oil: API SG or SH, SAE 10W-30 or 10W-40 (verify viscosity based on climate and manual) Coolant: Isuzu Long Life Coolant (Blue) or equivalent ethylene glycol-based coolant with deionized water (50/50 mix) Brake Fluid: DOT 3 or DOT 4 Known Issues Known Issues: Timing belt tensioner failure (can cause belt jump/break), ignition coil failure, radiator leaks, power window motor issues, occasional electronic sensor problems. Technical Specifications Spark Plugs: NGK BPR5ES-11 or equivalent (typical, verify) Spark Plug Gap: 1.1 mm (0.043 inches) (typical, verify)...