Target Demographic:
Value-oriented consumers, first-time car buyers, small families
Competitors:
Honda Civic, Toyota Corolla, Nissan Sentra, Ford Escort
Value Proposition:
Affordability, reliability, practical design, good fuel economy
Manual Advantage:
Official licensing ensures accuracy and completeness, saving time and money on repairs compared to generic guides.
Covered Models:
1991 Mazda Protege (all trim levels and engine variants)
Geographic Coverage:
North America (assumed, based on product description phrasing)
Body Styles:
Sedan and Hatchback (confirm specific availability for 1991 model year)
Type:
Service and Repair Manual
Licensing:
Officially Licensed
Format:
Digital Software (downloadable)
Powertrain:
Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system
Drivetrain:
Manual transmission, automatic transmission, clutch, drive axles, differential
Chassis:
Suspension (front and rear), steering, brakes (front and rear), wheels and tires
Electrical:
Wiring diagrams, lighting, instrumentation, charging system, starting system, fuses and relays, audio system, power accessories
Body:
Body panels, doors, glass, interior trim, HVAC system, exterior trim, bumpers
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement
Diagnostics:
Troubleshooting charts, symptom-based diagnostics, error code interpretation (if applicable)
Repair:
Engine component repair (e.g., cylinder head, pistons), transmission overhaul, brake caliper replacement, suspension arm replacement, electrical component repair
Disassembly Assembly:
Detailed step-by-step instructions for component removal and installation
Performance Tuning:
Basic tuning adjustments may be covered, but extensive performance modification details are unlikely.
Depth:
Comprehensive; covers basic maintenance to major component overhauls and diagnostic procedures
Diagnostic Tools:
Likely includes specifications for basic diagnostic tools and potential references to specialized equipment
Torque Specifications:
Detailed torque values for all critical fasteners are expected.
Electrical Diagrams:
Comprehensive wiring schematics for all vehicle systems are a key component of service manuals.
File Type:
Proprietary Software / Executable / potentially PDF within application
Searchability:
Expected to be searchable text content
Printability:
Assumed printable pages, though quality may vary depending on software rendering
Organization:
Likely organized by system (engine, brakes, etc.), with sections for diagnostics, disassembly/assembly, and specifications.
Engine Code:
BP (1.8L DOHC)
Engine Type:
Inline 4-cylinder, DOHC, 16-valve
Displacement:
1839 cc (1.8 Liters)
Bore X Stroke:
83.0 mm x 85.1 mm
Horsepower:
125 hp @ 6000 rpm
Torque:
110 lb-ft @ 4500 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Regular (87 Octane recommended)
Alternative Engine:
FS-DE (2.0L DOHC - typically found in higher trims or later models, confirm for 1991)
Transmission Type:
5-speed Manual Transmission
Transmission Type:
4-speed Automatic Transmission
Manual Gear Ratios:
Specific ratios provided in manual (e.g., 1st: 3.423, 2nd: 1.947, 3rd: 1.333, 4th: 1.000, 5th: 0.815, Reverse: 3.166)
Automatic Gear Ratios:
Specific ratios provided in manual
Clutch Type:
Dry single plate, hydraulically operated
Manual Transmission Fluid:
API GL-4, SAE 75W-90 (check manual for exact specification and capacity)
Automatic Transmission Fluid:
Mazda ATF J / ATF M-III or equivalent (check manual for exact specification and capacity)
Length:
Approx. 4285 mm (168.7 in)
Width:
Approx. 1690 mm (66.5 in)
Height:
Approx. 1390 mm (54.7 in)
Wheelbase:
Approx. 2500 mm (98.4 in)
Curb Weight:
Approx. 1150-1250 kg (2535-2756 lbs) depending on trim and transmission
Gross Vehicle Weight Rating:
GVWR specification found in manual
Trunk Volume:
Specific capacity in cubic feet/liters found in manual
NHTSA Front Impact:
No specific NHTSA rating easily found for 1991 model, likely not rated or low rating by modern standards.
IIHS Ratings:
No specific IIHS rating easily found for 1991 model.
ABS:
Available on some higher trims, check vehicle specifics.
Traction Control:
Not typically available on this model year.
Airbags:
Driver-side airbag standard on many models, passenger airbag optional or unavailable.
Seat Belts:
3-point front and rear seat belts
Crumple Zones:
Designed with energy-absorbing crumple zones, details in manual's chassis section.
Audio System:
AM/FM Cassette player, optional CD player on some higher trims. Basic speaker configuration.
User Interface:
Analog dials and knobs for climate control and audio.
Cruise Control:
Available on certain trim levels
Anti Lock Brakes:
Optional, as noted in safety section
Auxiliary Inputs:
Not standard; aftermarket solutions would be required.
Oil Change Interval:
Every 5,000 miles or 6 months (check manual for specific recommendation based on driving conditions)
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on inspection
Spark Plug Replacement:
Every 30,000-60,000 miles depending on plug type (standard vs. platinum/iridium)
Timing Belt Replacement:
Critical: Typically every 60,000 miles or 5 years for this engine. Failure can cause catastrophic engine damage. Manual will specify exact interval and procedure.
Engine Oil Type:
API SG or SH, SAE 5W-30 recommended. Capacity approx. 4.2 US quarts (4.0 L) with filter.
Coolant Type:
Ethylene Glycol based antifreeze (50/50 mix with distilled water). Capacity approx. 6.0 US quarts (5.7 L).
Brake Fluid Type:
DOT 3 or DOT 4 (check manual for specific recommendation)
Power Steering Fluid:
Dexron II or equivalent (check manual for exact type)
Engine:
Oil leaks from valve cover gasket, potential head gasket issues if overheated, intake manifold gasket leaks.
Suspension:
Worn control arm bushings, ball joints, and tie rod ends due to age and mileage.
Electrical:
Corrosion on grounds, intermittent issues with power windows/locks, older wiring degradation.
Rust:
Prone to rust on wheel arches, rocker panels, and subframes, especially in corrosive climates.
Mazda Philosophy:
Jinba Ittai ('horse and rider as one') - focus on driver engagement and handling
Generation:
Second Generation Protege (BG platform)
Design Era:
Late 1980s/early 1990s aerodynamic and functional design trends
Production Years Generation:
1989-1994 (for BG platform)
Manufacturing Location:
Japan (primarily Hofu Plant)
Consumer Guides:
Likely received favorable reviews in its time for value and reliability from publications like Consumer Reports, Car and Driver, etc. Specific awards not prominently advertised for this model year.
Reliability Index:
Generally considered a reliable vehicle for its era, with common maintenance items typical for a car of this age.