Segment:
Compact car, often marketed as sporty and reliable
Competitors 2002:
Honda Civic, Toyota Corolla, Ford Focus, Chevrolet Cavalier
Value Proposition:
Enables owners to perform a wide range of maintenance and repair tasks, saving money on dealership labor costs.
Design Philosophy:
Mazda's 'Zoom-Zoom' philosophy, emphasizing driving dynamics and responsiveness
Engine:
Detailed engine mechanicals, diagnostics, overhaul
Engine Control System:
ECU, sensors, actuators, fuel injection, ignition timing
Emission System:
Catalytic converter, O2 sensors, EGR, evaporative emission control
Cruise Control System:
Components, operation, troubleshooting
Intake Air System:
Air filter, intake manifold, MAF sensor
Driveshaft:
Axles, CV joints, propeller shafts (if applicable)
Clutch:
Clutch disc, pressure plate, release bearing, hydraulic system
Electrical System:
Wiring diagrams, battery, charging system, starting system, lighting, accessories, fuses, relays
Radio System:
Installation and removal procedures
Maintenance:
Scheduled maintenance, fluid changes, filter replacements
Troubleshooting:
Diagnostic charts, common problems and solutions
Repair:
Step-by-step repair instructions for all major components
Diagnostics:
OBD-II codes, sensor data interpretation
Depth:
Comprehensive: from basic adjustments to complete component overhaul
Engine Code:
Z5-DE (common in many Protege trims)
Engine Type:
Inline 4-cylinder, DOHC
Displacement:
1.5 Liters (1498 cc)
Bore X Stroke:
75.3 mm x 82.0 mm
Horsepower:
105 hp @ 6000 rpm (approximate)
Torque:
93 lb-ft @ 4000 rpm (approximate)
Fuel Delivery:
Electronic Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline (87 octane recommended)
Ignition System:
Distributorless Ignition System (DIS) with individual coil packs
NHTSA Front Impact Driver:
4 Stars (for 2002 Sedan)
NHTSA Front Impact Passenger:
4 Stars (for 2002 Sedan)
Airbags:
Driver and front passenger airbags
Seatbelts:
3-point front seat belts with pretensioners, 3-point rear seat belts
Child Seat Anchors:
LATCH system (Lower Anchors and Tethers for Children)
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (check manual for specific conditions)
Engine Air Filter:
Replace every 30,000 miles or as needed based on driving conditions
Spark Plugs:
Replace every 60,000-100,000 miles (depending on plug type, e.g., platinum)
Engine Oil Viscosity:
5W-30 (preferred) or 10W-30; check owner's manual for specific temperature ranges
Coolant Type:
Mazda Genuine Super Long Life Coolant (Green) or equivalent ethylene glycol-based coolant
Common Problems:
Premature wear of front suspension components (ball joints, tie rod ends), occasional issues with power window motors, possible EGR valve clogging.
Engine Issues:
Some engines may consume oil, particularly if not maintained properly. Check for oil leaks around the valve cover gasket.
Transmission Issues:
Automatic transmissions can sometimes develop shifting problems; manual clutches are generally robust but subject to wear.
Brand Focus:
Mazda has a long history of producing reliable and engaging vehicles, often with a focus on driving dynamics.
Generation 2002:
Second Generation (BJ Chassis, 1998-2003). This generation saw significant redesigns from its predecessor.
Manufacturing Locations:
Japan, Mexico, and other international locations depending on market
