Subaru Subaru WRX 1992-2001 Fuel System Specifications
Explore the detailed fuel specifications for the 1992-2001 Subaru WRX, including fuel type, octane rating, and system components. Essential for maintenance, troubleshooting, and performance upgrades.
Overview Specifications
This document provides detailed fuel specifications and related technical information for the 1992-2001 Subaru WRX. It is designed to assist owners, enthusiasts, and technicians in understanding the fuel requirements, performance characteristics, and maintenance guidelines for these models. Use the search and navigation instructions to quickly locate specific details or browse through the sections for comprehensive insights.
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Scroll through the sections or use the table of contents to jump to specific topics like fuel types, consumption rates, or emission standards.
Key Specifications
Fuel Tank Capacity
60 liters
Recommended Octane Rating
95 RON
City Fuel Consumption
10-12 L/100 km
Highway Fuel Consumption
7-9 L/100 km
Fuel System Type
Multi-point injection
Available Specifications
Fuel Types and Requirements
This section outlines the recommended fuel types, octane ratings, and additives for the 1992-2001 Subaru WRX. It also covers the impact of using alternative fuels and the importance of adhering to manufacturer guidelines.
Fuel Types and Requirements
This section outlines the recommended fuel types, octane ratings, and additives for the 1992-2001 Subaru WRX. It also covers the impact of using alternative fuels and the importance of adhering to manufacturer guidelines.
Recommended Fuel Types
- Premium unleaded gasoline with an octane rating of 95 RON or higher
- Avoid using ethanol blends above 10% (E10)
- Diesel or alternative fuels are not compatible
- Use of fuel additives for cleaning injectors is optional but recommended periodically
Octane Rating and Performance
- Minimum octane rating of 91 RON for optimal performance
- Lower octane fuels may cause engine knocking and reduced efficiency
- Higher octane fuels can improve throttle response and power output
- Always refer to the owner's manual for specific recommendations
Fuel Consumption and Efficiency
This section provides details on the fuel consumption rates, efficiency metrics, and factors affecting mileage for the 1992-2001 Subaru WRX. It also includes tips for improving fuel economy.
Fuel Consumption and Efficiency
This section provides details on the fuel consumption rates, efficiency metrics, and factors affecting mileage for the 1992-2001 Subaru WRX. It also includes tips for improving fuel economy.
Average Fuel Consumption
- City driving: 10-12 liters per 100 km
- Highway driving: 7-9 liters per 100 km
- Combined average: 8.5-10.5 liters per 100 km
- Actual consumption may vary based on driving conditions and maintenance
Factors Affecting Efficiency
- Aggressive driving reduces fuel efficiency by up to 30%
- Proper tire pressure can improve mileage by 3-4%
- Regular maintenance of air filters and spark plugs is essential
- Use of roof racks or heavy loads increases fuel consumption
Fuel System Components
This section covers the key components of the fuel system in the 1992-2001 Subaru WRX, including the fuel tank, pump, injectors, and filters. It also highlights maintenance tips and common issues.
Fuel System Components
This section covers the key components of the fuel system in the 1992-2001 Subaru WRX, including the fuel tank, pump, injectors, and filters. It also highlights maintenance tips and common issues.
Fuel Tank and Pump
- Fuel tank capacity: 60 liters
- Electric fuel pump delivers consistent pressure to the engine
- Regular inspection for leaks or corrosion is recommended
- Replacement interval for the fuel pump: 150,000-200,000 km
Fuel Injectors and Filters
- Multi-point fuel injection system ensures precise fuel delivery
- Fuel filter replacement interval: 40,000-60,000 km
- Clogged injectors can cause misfires and poor performance
- Use of high-quality fuel reduces injector clogging
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Component Specifications
Overview
- Type
- Gasoline
- Octane Rating
- 91-93 (Premium recommended)
- Fuel System
- Multi-point fuel injection
- Tank Capacity
- 15.9 gallons (60.2 liters)
- Emission Standard
- Tier 1 (US), Euro 2 (Europe)
Dimensions
- Tank Length
- 36.2 inches (92 cm)
- Tank Width
- 24.8 inches (63 cm)
- Tank Height
- 12.6 inches (32 cm)
- Fuel Line Diameter
- 0.31 inches (8 mm)
- Fuel Pump Pressure
- 43.5 psi (3 bar)
- Fuel Filter Size
- 2.36 inches x 1.57 inches (60 mm x 40 mm)
- Fuel injector Flow Rate
- 280 cc/min
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nitrile rubber with steel reinforcement
- Fuel Pump
- Thermoplastic housing with stainless steel internals
- Fuel Filter
- Cellulose media with metal casing
Features
- Fuel Delivery
-
- Sequential fuel injection
- Variable fuel pressure regulation
- Cold start enrichment system
- Fuel Monitoring
-
- Fuel level sensor with float mechanism
- Low fuel warning light
- Fuel consumption display (optional)
- Emission Control
-
- Evaporative emission control system
- Catalytic converter compatibility
- Oxygen sensor feedback loop
- Safety
-
- Rollover valve in fuel tank
- Impact-resistant fuel lines
- Fuel cut-off inertia switch
- Performance
-
- High-flow fuel pump
- Optimized fuel rail design
- Quick-connect fuel line fittings
Safety Features
- Fire Prevention
-
- Fuel tank impact protection
- Flame arrestor in fuel filler neck
- Automatic fuel shut-off system
- Leak Prevention
-
- Double-walled fuel lines
- Self-sealing quick disconnect fittings
- Pressure-tested fuel system components
- Environmental Protection
-
- Sealed fuel system
- Charcoal canister for vapor recovery
- Spill-proof fuel filler design
Comfort Features
- Refueling
-
- Easy-access fuel filler door
- Automatic fuel nozzle shut-off
- Fuel cap tether
- Driving
-
- Smooth fuel delivery
- Consistent fuel pressure
- Quiet fuel pump operation
- Maintenance
-
- Serviceable fuel filter
- Accessible fuel pump
- Clear fuel line markings
Accessories
- Performance
-
- High-flow fuel pump upgrade
- Aftermarket fuel pressure regulator
- Stainless steel fuel lines
- Monitoring
-
- Fuel pressure gauge
- Wideband air-fuel ratio sensor
- Fuel flow meter
- Protection
-
- Fuel tank skid plate
- Fuel line heat shielding
- Fuel system cleaner additives
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fuel filter replacement
- Fuel system inspection
- Fuel injector cleaning
- Fuel pump performance test
- Fuel tank inspection for leaks
- Maintenance Notes
-
- Use only premium unleaded fuel
- Avoid ethanol blends above 10%
- Regularly check fuel system for leaks
Warranty
- Basic
- Miles: 36000Years: 3Coverage: Fuel system components
- Emissions
- Miles: 50000Years: 5Coverage: Emission-related fuel components
- Corrosion
- Miles: unlimitedYears: 5Coverage: Fuel tank corrosion
- Extended
- Miles: 100000Years: 7Coverage: Fuel pump and injectors
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Injection molding for fuel tank
- Robotic assembly for fuel lines
- Precision machining for fuel injectors
- Quality Control
- Pressure Testing: All fuel system componentsLeak Testing: Complete fuel system assemblyMaterial Certification: ISO 9001 compliant
- Sustainability Practices
-
- Recycled materials in fuel tank production
- Low-VOC fuel system coatings
- Closed-loop manufacturing processes
- Production Metrics
- Annual Production: 50000 unitsDefect Rate: 0.02%Energy Efficiency: 85% recycled energy in production
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Replace fuel filter
- Inspect fuel lines for cracks or leaks
- Check fuel pump operation
- Test fuel pressure
- Clean fuel injectors
Use only OEM or equivalent replacement parts
- Replace fuel pump if necessary
- Inspect fuel tank for corrosion
- Check fuel system pressure regulator
- Test evaporative emissions system
- Replace fuel filler neck gasket
Special tools required for fuel pump replacement
- Complete fuel system inspection
- Replace all rubber fuel lines
- Clean fuel tank interior
- Replace fuel injectors if necessary
- Test fuel system for leaks under pressure
Requires professional service equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is compatible with the 1992-2001 Subaru WRX?
What type of fuel is compatible with the 1992-2001 Subaru WRX?
The 1992-2001 Subaru WRX is designed to run on premium unleaded gasoline with an octane rating of 91 or higher. Using lower-octane fuel can lead to engine knocking, reduced performance, and potential long-term damage. The vehicle is not compatible with diesel or ethanol blends exceeding 10% (E10). Always refer to the owner's manual for specific fuel recommendations.
Q2 What are the maintenance requirements for the 1992-2001 Subaru WRX?
What are the maintenance requirements for the 1992-2001 Subaru WRX?
Regular maintenance for the 1992-2001 Subaru WRX includes oil changes every 3,000-5,000 miles, air filter replacement every 15,000 miles, and spark plug replacement every 30,000 miles. The timing belt should be inspected every 60,000 miles and replaced every 100,000 miles. Additionally, check the coolant, brake fluid, and transmission fluid levels periodically to ensure optimal performance.
Q3 How do I replace the fuel pump in a 1992-2001 Subaru WRX?
How do I replace the fuel pump in a 1992-2001 Subaru WRX?
To replace the fuel pump, first, disconnect the battery and relieve fuel system pressure. Remove the rear seat cushion to access the fuel pump assembly. Disconnect the electrical connectors and fuel lines, then unscrew the retaining ring to remove the pump. Install the new pump, reassemble the components, and reconnect the battery. Test the system for leaks before starting the engine.
Q4 What should I do if my 1992-2001 Subaru WRX is experiencing poor fuel economy?
What should I do if my 1992-2001 Subaru WRX is experiencing poor fuel economy?
Poor fuel economy can result from clogged air filters, faulty oxygen sensors, or improper tire pressure. Start by checking and replacing the air filter if necessary. Inspect the oxygen sensors for proper operation and ensure tires are inflated to the recommended pressure. If issues persist, have the fuel injectors and engine management system checked by a professional.
Q5 How can I optimize the performance of my 1992-2001 Subaru WRX?
How can I optimize the performance of my 1992-2001 Subaru WRX?
To optimize performance, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Consider installing a performance chip or ECU tune to enhance engine output. Regularly inspect and maintain the turbocharger, intercooler, and suspension components. Always ensure the vehicle is properly aligned and balanced for improved handling.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1992-2001 Subaru WRX Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 1992-2001 Subaru WRX.
Subaru WRX Technical Service Bulletin
Coming SoonLatest updates and fixes for common issues in the 1992-2001 Subaru WRX, including fuel system and engine performance.
Subaru WRX Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 1992-2001 Subaru WRX, including fuel system components.
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Technical Information
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