Segment:
Compact car (C-segment)
Target Audience:
Economy-conscious buyers seeking reliability and practicality
Key Competitors:
Honda Civic, Toyota Corolla, Nissan Sentra, Ford Escort, Mitsubishi Mirage
Design Philosophy:
Affordable, reliable, and fuel-efficient transportation with a focus on driver engagement
Vehicle Type:
Subcompact sedan and hatchback
Engine:
Full coverage including disassembly, inspection, assembly, timing, diagnostics, and emissions
Transmission:
Manual and Automatic transmission repair, overhaul, and diagnostics
Drivetrain:
Front-wheel drive system, axles, CV joints, differential
Suspension:
Front struts, rear shock absorbers, control arms, ball joints, bushings, alignment procedures
Steering:
Power steering system, steering rack, tie rods, steering column
Brakes:
Front disc brakes, rear drum brakes (or disc depending on trim), ABS (if equipped), hydraulic system, parking brake
Electrical System:
Wiring diagrams, fuse box layout, lighting, ignition system, starting system, charging system, battery
Fuel System:
Fuel injection system (MPI), fuel pump, fuel injectors, fuel tank, fuel lines
Cooling System:
Radiator, thermostat, water pump, cooling fan, coolant specifications
Exhaust System:
Catalytic converter, muffler, exhaust pipes, gasket replacements
HVAC:
Air conditioning system, heater core, blower motor, climate control
Body And Interior:
Body panel removal/installation, interior trim, seats, door mechanisms, glass replacement
Maintenance:
Routine checks, oil changes, filter replacements, spark plug replacement, belt inspection/replacement
Diagnostics:
Troubleshooting guides, fault code interpretation, component testing procedures
Repair:
Step-by-step instructions for major and minor component repairs and overhauls
Disassembly Assembly:
Detailed instructions for taking apart and reassembling all major vehicle systems
Specifications:
Torque specifications, clearances, tolerances, fluid capacities, wiring diagrams
Depth:
Comprehensive factory-level detail suitable for professional mechanics and experienced DIY enthusiasts
Engine Code 1:
BP (1.8L DOHC)
Engine Type 1:
Inline 4-cylinder, DOHC, 16-valve
Displacement 1:
1839 cc (1.8 Liters)
Bore Stroke 1:
83.0 mm x 85.0 mm
Compression Ratio 1:
9.0:1
Horsepower 1:
125 hp @ 6000 rpm (approx.)
Torque 1:
110 lb-ft @ 4500 rpm (approx.)
Engine Code 2:
B6 (1.6L SOHC - less common in North America for this period)
Engine Type 2:
Inline 4-cylinder, SOHC, 16-valve
Displacement 2:
1598 cc (1.6 Liters)
Fuel Delivery:
Electronic Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline, 87 octane recommended
Ignition Type:
Distributorless Ignition System (DIS) or Distributor with electronic ignition
Transmission Type Standard:
5-speed Manual Transmission
Transmission Type Optional:
4-speed Automatic Transmission
Transmission Fluid Spec Manual:
GL-4 gear oil (e.g., API GL-4 75W-90)
Transmission Fluid Spec Automatic:
Dexron III (or equivalent ATF)
Wheelbase:
2565 mm (100.9 inches)
Length:
4315 mm (169.9 inches) (Sedan)
Width:
1695 mm (66.7 inches)
Height:
1390 mm (54.7 inches) (Sedan)
Curb Weight Min:
1120 kg (2470 lbs) (approx.)
Curb Weight Max:
1250 kg (2755 lbs) (approx.)
Gross Vehicle Weight Rating:
Varies by model and trim, consult manual for specifics
NHTSA Driver Side Impact Rating 1992:
4-star (Frontal)
NHTSA Passenger Side Impact Rating 1992:
4-star (Frontal)
ABS:
Optional on some models/trims
Airbags:
Driver's side airbag standard, Passenger airbag optional/unavailable depending on market and trim
Seatbelts:
Front 3-point adjustable, Rear 3-point and lap belts
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (with synthetic oil); 5,000 miles or 6 months (with conventional oil).
Air Filter Replacement:
Every 15,000 miles or 12 months.
Spark Plug Replacement:
Every 30,000 miles (standard plugs); 60,000 miles (platinum plugs if applicable).
Coolant Replacement:
Initial 100,000 miles, then every 50,000 miles thereafter.
Timing Belt Replacement:
Crucial: Every 60,000 miles or 5 years, as the BP engine is an interference engine. Failure to replace can cause catastrophic engine damage.
Engine Oil Capacity 1 8L:
4.2 Liters (4.4 US Quarts) with filter change (for BP engine)
Engine Oil Viscosity:
10W-30 recommended for most climates (refer to manual for specific temperature ranges)
Coolant Type:
Ethylene glycol-based coolant, typically a green 50/50 mix with distilled water
Common Issue 1:
Timing belt failure (if not replaced on schedule, due to interference design).
Common Issue 2:
Rust and corrosion, particularly in northern climates affecting wheel wells, rocker panels, and subframes.
Common Issue 3:
CV joint boots can degrade and tear, leading to noise and failure.
Common Issue 4:
Power steering pump leaks or noise.
Common Issue 5:
Heater core leaks or poor HVAC performance.
Mazda Heritage:
Founded in 1920, Mazda is known for its engineering prowess and historically fun-to-drive vehicles, often pushing boundaries with rotary engines and unique designs.
Familial Lineage:
The 323 (also known as Familia) is a long-standing nameplate for Mazda, with the Protege designation becoming prominent for the North American market in the 1990s, representing a more upscale version of the 323.
Bg Generation Introduction:
The BG generation was introduced globally in 1989, with the Protege branding solidifying its identity in North America for the 1990 model year. The 1992-1993 models represent a mid-cycle update or continuation of the BG platform.
Manufacturing Location:
Japan (primarily), some assembly may have occurred in other countries depending on market
Production Years Global:
1989-1994 (for BG generation)
Car And Driver 10Best:
The Protege model line (often the GT trim) frequently appeared on Car and Driver's 10 Best lists in the early to mid-1990s, praised for its value, handling, and sporty feel.
Consumer Reports Reliability Early Models:
Generally good to excellent reliability for the era, though specific model years and engine variants can have varying reports.
Epa Fuel Economy Estimate 1 8L Manual:
Approx. 25 MPG city / 32 MPG highway (subject to driving conditions and vehicle maintenance)