🏷️ Basic Information

Make:

Mazda

Model:

Protegé

Model Years Covered:

2002, 2003

Chassis Codes:

BJ (Global platform for this generation)

Common Engine Codes:

FP-DE (1.8L DOHC I4), FS-DE (2.0L DOHC I4 - often found in higher trims like LX, ES)

👋 Introduction

Vehicle Segment:

Compact Car

Target Audience:

Budget-conscious buyers seeking reliable, practical transportation, often with sporty handling characteristics for its class.

Key Competitors:

Honda Civic, Toyota Corolla, Ford Focus, Nissan Sentra, Chevrolet Cavalier.

Competitive Advantages:

Often praised for sporty handling (especially GT models), good reliability, and value for money. The 2002-2003 models represent a significant refresh.

Platform Architecture:

Based on the global Mazda Familia/323 platform (BJ chassis), known for its robust engineering.

Design Philosophy:

Mazda's 'Zoom-Zoom' philosophy emphasizing driving dynamics and responsiveness.

Trims Available:

DX, LX, ES, GT (GT often featured a more powerful engine and sport-tuned suspension).

📋 Manual Details

Coverage Scope:

Comprehensive service and repair for all vehicle systems.

Estimated Page Count:

Over 1500 pages (typical for comprehensive factory-style manuals)

Manual Type:

Service and Repair Workshop Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, block, pistons, connecting rods, crankshaft, camshafts, valvetrain, lubrication system, cooling system, intake and exhaust systems, timing belt/chain.

Engine Management:

Fuel injection, ignition system, emissions control systems (EGR, catalytic converter, EVAP), sensors (O2, MAP, TPS, CKP, CMP), actuators, ECM/PCM diagnostics and testing.

Transmission Manual:

Clutch system, gearbox assembly, gear shift mechanism, torque specifications for bolts and nuts.

Transmission Automatic:

Automatic transmission assembly, torque converter, valve body, hydraulic control system, electronic controls, fluid checks and changes.

Drivetrain:

Front-wheel drive components, axles, CV joints, differential (if applicable).

Brakes:

Brake system components (master cylinder, calipers, pads, rotors, drums, shoes), ABS system (if equipped), hydraulic lines, bleeding procedures, parking brake.

Suspension Steering:

Front and rear suspension (struts, shocks, control arms, ball joints, sway bars), power steering system (pump, rack and pinion, fluid), wheel alignment specifications.

Body Chassis:

Frame and body construction, door and panel removal/installation, interior trim, exterior body panels, glass replacement.

Electrical System:

Battery, charging system (alternator, regulator), starting system (starter motor), lighting (headlights, taillights, interior), fuses, relays, wiring diagrams for all circuits.

HVAC:

Heating, ventilation, and air conditioning system components (compressor, condenser, evaporator, blower motor), refrigerant handling, diagnostics.

Safety Systems:

Airbag system (SRS), seat belt mechanisms, child seat anchorages.

Preventive Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections, brake pad checks, tire rotations.

Troubleshooting Diagnostics:

Step-by-step diagnostic flowcharts for common and uncommon issues, DTC (Diagnostic Trouble Code) interpretation and resolution.

Major Repairs:

Engine overhaul, transmission rebuilds, suspension component replacement, brake system repairs, electrical system diagnostics and component replacement.

Component Removal Installation:

Detailed instructions for removing and installing all major and minor components.

Wiring Diagrams:

Complete, detailed wiring diagrams for all vehicle electrical systems.

Depth Of Coverage:

Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from routine maintenance to complete engine and transmission overhauls.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable PDF, allowing for quick access to specific topics.

Printability:

Printable, enabling users to print specific sections or the entire manual.

Image Resolution:

High resolution, ensuring clarity of diagrams, schematics, and photographs.

Binding:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine 1 Displacement:

1.8 Liters (1839 cc)

Engine 1 Configuration:

Inline 4-cylinder, DOHC, 16 valves (FP-DE)

Engine 1 Horsepower:

Approx. 122 hp @ 5500-6000 RPM

Engine 1 Torque:

Approx. 117 lb-ft @ 3000-4000 RPM

Engine 1 Fuel Delivery:

Electronic Fuel Injection (EFI)

Engine 2 Displacement:

2.0 Liters (1991 cc)

Engine 2 Configuration:

Inline 4-cylinder, DOHC, 16 valves (FS-DE - 'MZR' family)

Engine 2 Horsepower:

Approx. 130 hp @ 6000 RPM

Engine 2 Torque:

Approx. 135 lb-ft @ 4000 RPM

Engine 2 Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline

Recommended Octane:

87 Octane (for 1.8L and 2.0L non-GT), 87-89 Octane (for GT depending on specific tuning)

Fuel Tank Capacity:

Approx. 13.2 gallons (50 Liters)

🔧 Transmission

Standard Transmission:

5-speed Manual Transmission

Optional Transmission:

4-speed Automatic Transmission

Transmission Fluid Spec Auto:

Dexron III/Mercon or equivalent (check manual for exact spec)

Clutch Type:

Dry single-plate, diaphragm spring clutch (for manual)

📐 Dimensions

Length:

Approx. 170.3 - 171.5 inches (depending on trim/body style)

Width:

Approx. 67.5 inches

Height:

Approx. 55.3 - 56.0 inches

Wheelbase:

Approx. 102.8 inches

Track Width Front:

Approx. 58.7 inches

Track Width Rear:

Approx. 58.5 inches

Cargo Volume Sedan:

Approx. 12.9 cubic feet

Cargo Volume Hatchback:

Approx. 16.7 cubic feet (seats up)

Curb Weight Min:

Approx. 2500 lbs

Curb Weight Max:

Approx. 2750 lbs

Gross Vehicle Weight Rating Gvwr:

Check specific vehicle VIN/door sticker for accurate GVWR

🛡️ Safety Features

NHTSA Front Impact Driver:

Generally Good (for 2002 models, testing varied by year and specific test)

NHTSA Front Impact Passenger:

Generally Good (for 2002 models, testing varied by year and specific test)

IIHS Small Overlap Front:

Not Tested (IIHS frontal offset testing protocols evolved post this generation)

ABS:

Available on most trims (LX, ES, GT), standard on some higher trims.

Traction Control:

Available on select higher trims (e.g., GT).

Airbags:

Driver and passenger front airbags. Side airbags available on some trims (ES).

Seatbelts:

3-point seatbelts with pretensioners for front occupants.

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for CHildren) system.

💡 Technology Features

Audio System:

Standard AM/FM/CD player. Optional premium audio systems available on higher trims, often with more speakers.

Display Screens:

Basic dashboard displays for speed, RPM, fuel, temperature. No large infotainment screens typical of modern vehicles.

Cruise Control:

Available on most trims, especially LX and above.

Auxiliary Input:

Not typically standard. Aftermarket head unit replacements or FM transmitters are common solutions for auxiliary audio input.

Bluetooth:

Not available on factory-installed systems for this model year. Aftermarket integration is an option.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000 miles (8,000 km) or 6 months, whichever comes first, under normal driving conditions. Severe conditions may require shorter intervals.

Air Filter Replacement:

Inspect every 15,000 miles (24,000 km), replace as needed or every 30,000 miles (48,000 km).

Spark Plug Replacement:

Replace every 60,000 - 100,000 miles (96,000 - 160,000 km) depending on plug type (standard vs. platinum/iridium).

Timing Belt Replacement:

For FP-DE (1.8L), typically 60,000 miles (96,000 km) or 4 years. FS-DE (2.0L) uses a timing chain, which generally does not require periodic replacement unless issues arise.

Engine Oil Type:

API Certified SAE 5W-30. May recommend 5W-20 in specific climates/applications for fuel economy. Consult manual for precise recommendation.

Engine Oil Capacity:

Approx. 4.2 U.S. quarts (4.0 Liters) with filter change (for 1.8L and 2.0L engines, verify with manual).

Coolant Type:

Ethylene Glycol based antifreeze with corrosion inhibitors. Mazda recommends specific Long Life Coolant or equivalent (usually blue or green).

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Power Steering Fluid Type:

Mazda Genuine Power Steering Fluid or ATF Dexron III/Mercon equivalent.

Engine Idle Instability:

Can be caused by dirty Idle Air Control (IAC) valve, vacuum leaks, or a dirty throttle body.

Automatic Transmission Harsh Shifts:

May indicate low fluid level, dirty fluid, or a failing transmission control solenoid.

Check Engine Light Codes:

Common codes can relate to oxygen sensors, EVAP system leaks, or ignition misfires (e.g., P030x).

Suspension Noise:

Worn sway bar end links or bushings can produce clunking noises over bumps.

Ac System Performance:

Potential issues with refrigerant leaks, compressor clutch failure, or clogged cabin air filters.

📚 Vehicle History

Mazda Heritage:

Mazda, a Japanese automaker, has a history dating back to 1920, known for its focus on engineering, design, and driving pleasure ('Zoom-Zoom').

Protege Lineage:

The Protegé nameplate has been used by Mazda since the late 1970s, evolving through multiple generations and chassis designs. The 2002-2003 models represent the final iteration of the third generation (BJ chassis) Protegé.

Refresh Details:

The 2002 model year saw a significant facelift and mechanical updates for the BJ chassis, including revised styling, updated interiors, and the introduction of the 2.0L FS-DE engine on higher trims.

Production Years:

Third Generation (BJ): 1998-2003 (with updates in 2000 and 2002).

Manufacturing Locations:

Primarily manufactured in Japan and Mexico.

🏆 Awards & Recognition

Car And Driver Best A List:

Car and Driver often recognized the Protegé GT and its predecessors for their sporty handling and value in their annual '10Best' lists in previous generations, carrying that reputation forward.

Consumer Reports Reliability:

Reliability ratings varied by specific model year and components, but generally were competitive within the compact segment for this era.

Emissions Compliance:

Meets EPA and California Air Resources Board (CARB) emissions standards applicable to the model year.