🏷️ Basic Information

Make:

Mazda

Model:

MX-3

Year:

1991

Chassis Code:

EC

👋 Introduction

Target Audience:

Dealership technicians, independent repair shops, and knowledgeable DIY car owners.

Value Proposition:

Provides the same detailed, vehicle-specific information used by factory-trained technicians, offering a significant cost-saving alternative to dealership service.

Authenticity:

Directly states it is the exact manual used by dealership technicians, ensuring accuracy and completeness.

Comprehensiveness:

Covers all models and all repairs from A-Z, with step-by-step instructions, diagrams, illustrations, and schematics.

Digital Convenience:

Single PDF format, printable pages, zoomable images, and easy storage/access on PC.

📋 Manual Details

All Models:

Yes

All Repairs:

A-Z

Estimated Page Count:

Varies based on specific model year and engine, typically 1000+ pages for comprehensive factory manuals.

Type:

Factory Service Manual / Repair Manual

Language:

English

Digital Format:

PDF

Compatibility:

Windows (Vista32/64, XP, ME, 98, NT, 2000) and Mac

Download Speed:

Fast download (as advertised)

Usb Requirements:

N/A (Digital download)

📖 Manual Coverage

Powertrain:

Engine, Control System, Fuel Service, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition, Starting/Charging, Automatic Transmission, Clutch, Manual Transmission, Transfer/Propeller Shaft, Drive Shaft, Differential, Axle.

Chassis And Suspension:

Suspension, Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering.

Body And Interior:

Air Conditioning, Supplemental Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seat, Engine Hood/Door, Exterior & Interior Trim.

Electrical And Electronics:

Electrical System, Multiplex/CAN Communication.

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, inspections.

Diagnosis And Troubleshooting:

Diagnostic procedures, symptom-based troubleshooting, fault code interpretation.

Repair And Rebuild:

Step-by-step repair instructions for all major components and systems, including disassembly, assembly, and adjustment.

Wiring Schematics:

Detailed electrical wiring diagrams for all vehicle systems.

Diagnostics:

Includes diagnostic trees, trouble shooting flowcharts, and component testing procedures.

Torque Specifications:

Detailed torque specifications for all fasteners during assembly and disassembly.

Special Tools:

Lists any special tools or equipment required for specific repair procedures.

Depth:

Comprehensive, factory-level detail for technicians and advanced DIY enthusiasts. Covers basic maintenance through to complex engine and transmission overhauls.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Printability:

High-quality, fully printable pages with ability to enlarge images/diagrams.

Binding:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

Searchability:

Likely text-searchable if converted from original digital source, enabling quick information retrieval.

Software Requirements:

Adobe PDF Reader and Winzip (free online)

⚙️ Engine Specifications

Engine Codes:

Likely covers the B6 and K8 series engines.

B6 Engine Details:

1.6L (1597cc) DOHC 16-valve inline-4 cylinder engine.

K8 Engine Details:

1.8L (1839cc) DOHC 24-valve V6 engine (KL-DE for later models, but K8 for '91 models).

Engine Code B6:

B6ZE (for 1.6L)

Engine Code K8:

K8VE (for 1.8L V6)

Horsepower 1 6L:

Approx. 115 hp @ 6500 rpm (B6 engine)

Torque 1 6L:

Approx. 100 lb-ft @ 5000 rpm (B6 engine)

Horsepower 1 8L V6:

Approx. 128 hp @ 6500 rpm (K8 engine)

Torque 1 8L V6:

Approx. 117 lb-ft @ 5000 rpm (K8 engine)

Fuel Delivery:

Electronic Fuel Injection (EFI)

Ignition Type:

Distributorless Ignition System (DIS) or Distributor-based ignition, depending on engine variant and market.

🔧 Transmission

Transmission Type 1 6L:

5-speed manual transmission

Transmission Type 1 8L:

4-speed automatic transmission

Clutch Type:

Hydraulically actuated dry single-plate clutch (for manual transmission)

Manual Transmission Fluid:

GL-4 gear oil (e.g., SAE 75W-90 or 80W-90)

Automatic Transmission Fluid:

Dexron III (or equivalent)

📐 Dimensions

Body Style:

3-door hatchback coupe

Wheelbase:

Approx. 2500 mm (98.4 inches)

Length:

Approx. 4220 mm (166.1 inches)

Width:

Approx. 1700 mm (66.9 inches)

Height:

Approx. 1350 mm (53.1 inches)

Curb Weight:

Varies by engine and trim, typically 1100-1250 kg (2425-2755 lbs)

🛡️ Safety Features

NHTSA Crash Test Ratings 1991:

Data may be limited for this era; manual would detail structural integrity and airbag systems if equipped.

ABS:

Optional Anti-lock Braking System (ABS) available on some models.

Airbags:

Driver's side airbag may have been optional or standard on higher trims/later production.

Seatbelts:

Front and rear seat belts; manual will detail adjustment and maintenance.

💡 Technology Features

Audio System:

Factory-installed AM/FM/Cassette or CD player. Manual covers speaker removal, head unit replacement, and wiring.

Cruise Control:

Available as an option or standard on higher trims. Manual details operation and repair.

Multiplex Communication:

The manual mentions 'Multiplex/CAN Communication', indicating early forms of network communication within the vehicle's electronic systems.

Air Conditioning:

Manual covers refrigerant handling (R-12 for this era), system diagnosis, and component repair.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions (refer to manual for specific recommendations).

Spark Plug Replacement:

Varies by plug type (copper, platinum, iridium); typically 30,000-100,000 miles. Manual will specify recommended type and interval.

Timing Belt Replacement:

Critical for interference engines. Typically every 60,000-90,000 miles or 5-7 years. Manual will specify exact interval and part numbers.

Engine Oil:

API SG or higher, SAE 5W-30 or 10W-30 recommended (check manual for specific viscosity based on temperature).

Coolant:

Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Manual will specify Mazda's recommended coolant type.

Brake Fluid:

DOT 3 or DOT 4 brake fluid (check manual for specific type).

Power Steering Fluid:

ATF Dexron II/III or specific Mazda PSF (check manual).

Engine Mounts:

Hydraulic engine mounts can degrade over time, leading to increased vibration.

Rotary Engine Specific Issues:

N/A - The MX-3 did not use rotary engines; it used piston engines (B6 and K8).

Electrical Connectors:

Corrosion or loose connections in critical electrical connectors can lead to intermittent issues.

Exhaust System:

Rust and corrosion, particularly on muffler and exhaust pipes, are common in certain climates.

📚 Vehicle History

Mazda Sporty Heritage:

Mazda has a strong heritage in sporty and engaging vehicles, exemplified by the MX series (MX-3, MX-5, MX-6).

Mx3 Introduction:

The MX-3 (also known as the Eunos Presso or Mazda 323F in some markets) was introduced in 1991 as a compact sport coupe.

Unique Selling Point:

Notable for being the first production car to offer a V6 engine in the compact car segment (1.8L V6).

Production Years:

1991-1999 (approximately)

🏆 Awards & Recognition

Popular Mechanics Car Of The Year:

While the specific 1991 MX-3 might not have a singular 'Car of the Year' award listed prominently, Mazda vehicles of this era were often praised for their driving dynamics and innovative features.

Emission Standards:

The manual will cover emission control systems and diagnostics to meet or exceed the emission standards of the target market for 1991.