Engine:
Engine mechanical, engine control system (ECU), fuel injection, ignition system, cooling system, lubrication system, exhaust system, emissions control
Transmission:
Manual and Automatic Transaxle: clutch, gearbox, torque converter, hydraulic controls, electronic controls, gear shifting, driveline components
Brakes:
Front and rear brake systems, ABS, parking brake, hydraulic components, brake pad/rotor replacement, bleeding procedures
Suspension:
Front and rear suspension systems, struts, shocks, springs, control arms, bushings, alignment specifications
Steering:
Power steering system, steering rack, tie rods, power steering pump, fluid specifications
Electrical:
Charging system, starting system, lighting, wipers, horn, power windows, power locks, dashboard instruments, body control module (BCM), wiring diagrams
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, refrigerant, compressor, evaporator, condenser, blower motor
Body:
Exterior body panels, doors, hood, trunk, bumpers, interior trim, seat removal, glass replacement
Diagnostics:
Diagnostic trouble codes (DTCs), troubleshooting charts, symptom-based diagnostics, scan tool usage
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections/replacement
Repair:
Component removal, installation, adjustment, and replacement for all major systems
Troubleshooting:
Systematic diagnostic procedures to identify and resolve common and uncommon faults
Engine Rebuild:
Includes detailed procedures for engine disassembly, inspection, measurement, component replacement (pistons, rings, bearings, valves), and reassembly.
Transmission Overhaul:
Comprehensive instructions for manual and automatic transmission overhaul, including clutch pack replacement, seal replacements, and valve body servicing.
Depth:
Comprehensive, covering from basic routine maintenance to advanced diagnostics and major component overhauls. Includes detailed step-by-step instructions with torque specifications and clearances.
Diagnostic Tools:
Guidance on using OBD-II scanners, multimeter usage for electrical diagnostics, and specific diagnostic procedures for various sensor inputs and outputs.
Engine Code Base:
FS-DE (2.0L DOHC)
Engine Displacement:
1991 cc (2.0 Liters)
Engine Configuration:
Inline 4-cylinder, DOHC, 16-valve
Horsepower Hp:
130 hp @ 6000 rpm (approx.)
Torque Lb Ft:
135 lb-ft @ 4500 rpm (approx.)
Fuel Type:
Unleaded Gasoline
Compression Ratio:
9.0:1 (approx.)
Fuel Delivery:
Electronic Fuel Injection (EFI), Sequential Multi-port Fuel Injection (SMPI)
Fuel Octane Rating:
87 Octane (Minimum)
Engine Options:
ZB-DE (1.6L SOHC) for base models, FS-ZE (2.0L DOHC, higher output, typically for Mazdaspeed models - though less common for 2002 standard Protege)
Bore X Stroke:
83.1 mm x 92.0 mm (approx.)
Oil Change Interval:
Every 5,000-7,500 miles or 6-12 months (refer to manual for specific conditions)
Air Filter Replacement:
Every 15,000-30,000 miles (inspect more frequently)
Spark Plug Replacement:
Every 30,000-60,000 miles (depending on spark plug type: platinum or iridium recommended)
Timing Belt Replacement:
60,000 miles or 5 years (critical maintenance item)
Engine Oil Type:
API SG or SH Certified, SAE 5W-30 or 5W-20 (check manual for climate suitability)
Engine Oil Capacity:
4.5 US quarts (4.3 Liters) with filter change
Coolant Type:
Mazda Genuine Long Life Antifreeze/Coolant (or equivalent ethylene glycol-based coolant with deionized water)
Common Problems:
Ignition coil failure, exhaust manifold cracks, EGR valve issues, potential for oil leaks from valve cover and oil pan gaskets, rust in certain climates
