OBD-I (On-Board Diagnostics, typically) code retrieval and interpretation, sensor testing, actuator testing, circuit testing using multimeters and oscilloscopes.
Technical Depth
Depth:
Comprehensive from basic maintenance to advanced engine and transmission overhaul, including detailed diagnostic procedures and wiring diagrams.
Detail Level:
Factory-level detail with step-by-step instructions, torque specifications, clearances, and special tool requirements.
📊 Manual Specifications
File Format
File Type:
Proprietary Software/Searchable PDF
Searchability:
High (expected for software/digital format)
Print Quality
Print Capability:
Printable pages (standard for repair manuals)
Binding Type
Binding:
Not Applicable (Software)
Paper Type
Paper:
Not Applicable (Software)
⚙️ Engine Specifications
Primary Engine
Engine Code Primary:
4G92 (1.6L SOHC)
Engine Configuration Primary:
Inline 4-cylinder
Displacement Primary:
1597 cc (97.4 cu. in.)
Bore X Stroke Primary:
78.0 mm x 82.0 mm (3.07 in. x 3.23 in.)
Compression Ratio Primary:
9.5:1 (typical for SOHC)
Performance
Horsepower Primary Sohc:
111 hp @ 6000 rpm (approx.)
Torque Primary Sohc:
103 lb-ft @ 4500 rpm (approx.)
Horsepower Optional DOHc:
140 hp @ 6500 rpm (GSR model, approx.)
Torque Optional DOHc:
120 lb-ft @ 5000 rpm (GSR model, approx.)
Engine Code Optional
Engine Code Optional:
4G93 (1.8L DOHC - GSR model)
Engine Configuration Optional
Engine Configuration Optional:
Inline 4-cylinder
Displacement Optional
Displacement Optional:
1830 cc (111.7 cu. in.)
Fuel System
Fuel Delivery:
Multi-Point Fuel Injection (MPI)
Fuel Type Recommended:
Unleaded gasoline (87 octane or higher, premium recommended for GSR)
Engine Construction
Block Material:
Aluminum alloy
Head Material:
Aluminum alloy
🔧 Transmission
Standard
Transmission Type Standard:
5-speed Manual (W5MG1)
Optional
Transmission Type Optional:
4-speed Automatic (F4A22)
Features
Manual Gear Ratios:
Specific ratios vary by model, detailed in manual.
Automatic Features:
Lock-up torque converter, overdrive.
Fluid Specifications
Manual Transmission Fluid:
API GL-4, SAE 75W-90 (refer to manual for exact specification).
Automatic Transmission Fluid:
Diamond SP-III (or equivalent SP-III ATF).
📐 Dimensions
Exterior
Wheelbase:
97.0 inches (2465 mm)
Length:
164.0 inches (4165 mm)
Width:
66.3 inches (1685 mm)
Height:
54.1 inches (1375 mm)
Weights
Curb Weight Est:
2300 - 2600 lbs (approx., depending on trim and engine)
Gross Vehicle Weight Rating:
Detailed in manual, typically around 3400-3700 lbs.
Cargo
Cargo Volume Sedan:
Not specified, typically compact sedan volume.
Cargo Volume Hatchback:
Not specified, typically compact hatchback volume.
🛡️ Safety Features
Ratings
NHTSA Frontal Impact:
Likely 3-star or 4-star rating (check specific vehicle configuration for exact details, as ratings varied).
IIHS Ratings:
Not readily available for this model year; check contemporary reviews.
Active Features
ABS:
Available on some trims (e.g., GSR, ES).
Passive Features
Airbags:
Driver and passenger airbags standard on most trims for 1997.
Seat Belts:
3-point front seatbelts, 2-point or 3-point rear seatbelts.
Child Seat Anchors:
LATCH system not standard; typically uses seatbelt for child seat installation.
💡 Technology Features
Infotainment
Radio System:
Factory AM/FM stereo with cassette player. Optional CD player on higher trims.
Driver Assistance
Cruise Control:
Available on higher trim levels (ES, LS).
Connectivity
Auxiliary Ports:
Not applicable for this era.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 to 5,000 miles (6,000 to 8,000 km) or 6 months, whichever comes first (consult manual for specific engine type and driving conditions).
Air Filter Replacement:
Every 15,000 to 30,000 miles (24,000 to 48,000 km) or as needed based on inspection.
Spark Plug Replacement:
Every 30,000 to 60,000 miles (48,000 to 96,000 km), depending on plug type (copper vs. platinum).
Timing Belt Replacement:
Recommended every 60,000 miles (96,000 km) or 5 years for 4G92/4G93 engines due to interference design (critical replacement).
Fluid Specifications
Engine Oil Type:
API SG or SH, SAE 5W-30 or 10W-30 (check owner's manual for exact recommendation based on climate).
Coolant Type:
Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Mitsubishi Green or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific recommendation).
Known Issues
Common Problem 1:
Timing belt failure (due to age and mileage on original belts or improper replacement) can cause catastrophic engine damage.
Common Problem 2:
Transmission issues: Automatic transmission solenoids or valve body wear can lead to shifting problems; manual clutch wear.
Common Problem 3:
Ignition system components: Distributor cap and rotor wear, ignition coil failure can cause misfires.
Common Problem 4:
Suspension wear: Bushings, ball joints, and tie rod ends can wear out, leading to clunking noises or alignment issues.
Common Problem 5:
Electrical issues: Corroded grounds, failing window regulators, or dashboard light failures can occur.
📚 Vehicle History
Brand Heritage
Mitsubishi History:
Mitsubishi Motors Corporation, a Japanese multinational automotive manufacturer, has a long history of producing reliable and innovative vehicles, particularly in the compact and subcompact segments.
Model Evolution
Mirage Generations:
This 1997 model represents the third generation of the Mitsubishi Mirage (globally known as Colt in some markets), which saw significant styling updates and platform revisions for its era.
Production
Manufacturing Location:
Primarily Japan (e.g., Mizushima Plant), with potential assembly in other global locations.
Model Years Covered:
This manual specifically covers the 1997 model year, but often includes some overlap into adjacent years or minor variations.
🏆 Awards & Recognition
Recognitions
Contemporary Awards:
While specific awards for the '97 model are not widely publicized, the third-generation Mirage was generally well-regarded for its fuel efficiency and value in the subcompact segment.
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