Subaru Subaru Impreza 2000-2007 Fuel System Specifications
Explore detailed fuel specifications for the 2000-2007 Subaru Impreza, including fuel type, octane rating, fuel system components, and fuel economy. Ideal for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed fuel specifications for the 2000-2007 Subaru Impreza. It includes information on fuel types, fuel economy, tank capacity, and emissions. Use this guide to understand the technical aspects of the vehicle's fuel system and optimize performance. The document is organized into sections for easy navigation and includes a quick reference table for key specifications.
How to Use
Use the search functionality to quickly locate specific fuel-related terms or specifications. Enter keywords like 'fuel economy' or 'tank capacity' to find relevant information.
Navigate through the document using the section titles and subsections. Each section is labeled clearly, and subsections provide detailed points for easy reference.
Key Specifications
Fuel Type
Regular/Premium Unleaded
Fuel Tank Capacity
15.9 gallons
City MPG
20-22 MPG
Highway MPG
26-28 MPG
Emissions Standard
ULEV/Tier 2 Bin 5
Available Specifications
Fuel Types and Requirements
This section covers the types of fuel recommended for the 2000-2007 Subaru Impreza, including octane ratings and any specific requirements for optimal performance.
Fuel Types and Requirements
This section covers the types of fuel recommended for the 2000-2007 Subaru Impreza, including octane ratings and any specific requirements for optimal performance.
Recommended Fuel Types
- Regular unleaded gasoline (87 octane)
- Premium unleaded gasoline (91 octane or higher) for turbocharged models
- Ethanol blends up to 10% (E10) are acceptable
- Avoid using diesel or alternative fuels
Fuel Additives
- Use of fuel system cleaners is optional
- Avoid additives containing methanol
- Subaru recommends OEM-approved additives for maintenance
- Check owner's manual for specific recommendations
Fuel Economy
This section provides details on the fuel efficiency of the 2000-2007 Subaru Impreza, including city, highway, and combined MPG ratings.
Fuel Economy
This section provides details on the fuel efficiency of the 2000-2007 Subaru Impreza, including city, highway, and combined MPG ratings.
MPG Ratings
- City: 20-22 MPG
- Highway: 26-28 MPG
- Combined: 23-25 MPG
- Turbocharged models may have slightly lower MPG
Factors Affecting Fuel Economy
- Driving habits (aggressive driving reduces MPG)
- Vehicle maintenance (clean air filters improve efficiency)
- Tire pressure (underinflated tires decrease MPG)
- Environmental conditions (cold weather reduces MPG)
Fuel Tank and Capacity
This section outlines the fuel tank specifications, including capacity and design features, for the 2000-2007 Subaru Impreza.
Fuel Tank and Capacity
This section outlines the fuel tank specifications, including capacity and design features, for the 2000-2007 Subaru Impreza.
Fuel Tank Capacity
- Standard fuel tank capacity: 15.9 gallons (60.2 liters)
- Reserve capacity: approximately 2.5 gallons (9.5 liters)
- Fuel gauge accuracy may vary slightly
- Tank material: high-density polyethylene
Fuel Tank Design
- Designed for durability and corrosion resistance
- Includes a fuel vapor recovery system
- Equipped with a rollover valve for safety
- Filler neck designed to prevent misfueling
Emissions and Environmental Impact
This section discusses the emissions standards and environmental impact of the 2000-2007 Subaru Impreza, including compliance with regulations.
Emissions and Environmental Impact
This section discusses the emissions standards and environmental impact of the 2000-2007 Subaru Impreza, including compliance with regulations.
Emissions Standards
- Complies with ULEV (Ultra Low Emission Vehicle) standards
- Equipped with a catalytic converter
- OBD-II (On-Board Diagnostics) system monitors emissions
- Meets EPA Tier 2 Bin 5 standards
Environmental Considerations
- Lower CO2 emissions compared to larger vehicles
- Designed for recyclability at end of life
- Use of eco-friendly materials in fuel system components
- Regular maintenance reduces environmental impact
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Component Specifications
Overview
- Type
- Gasoline
- Configuration
- Multi-port fuel injection
- Platform
- Subaru EJ series engine
- Material
- High-density polyethylene (HDPE) fuel tank
- Location
- Rear axle, underbody
Dimensions
- Fuel Tank Capacity
- 15.9 gallons (60.2 liters)
- Fuel Line Diameter
- 0.375 inches (9.525 mm)
- Fuel Pump Pressure
- 43.5 psi (300 kPa)
- Fuel Filter Size
- 2.5 inches x 1.5 inches (63.5 mm x 38.1 mm)
- Fuel injector Flow Rate
- 280 cc/min
- Fuel Tank Length
- 28.5 inches (723.9 mm)
- Fuel Tank Width
- 18.7 inches (475 mm)
- Fuel Tank Height
- 10.2 inches (259.1 mm)
Materials
- Fuel Tank
- High-density polyethylene (HDPE)
- Fuel Lines
- Nitrile rubber with steel reinforcement
- Fuel Pump
- Stainless steel and plastic composite
- Fuel injectors
- Aluminum alloy with stainless steel nozzles
Features
- Fuel Delivery
-
- Multi-port fuel injection
- Sequential fuel injection
- Returnless fuel system
- Fuel Tank
-
- Molded baffles for fuel slosh reduction
- Integrated fuel pump module
- Rollover safety valve
- Fuel Pump
-
- High-pressure electric fuel pump
- In-tank design for cooling
- Integrated fuel level sensor
- Fuel injectors
-
- 4-hole design for precise fuel atomization
- O-ring sealed for leak prevention
- Electronically controlled
- Emissions
-
- Evaporative emissions control system
- Charcoal canister for fuel vapor storage
- OBD-II compliant fuel system monitoring
Safety Features
- Fuel Tank Safety
-
- Impact-resistant HDPE construction
- Rollover valve to prevent fuel spillage
- Flame arrestor in fuel filler neck
- Fuel Leak Prevention
-
- Double-walled fuel lines
- O-ring sealed connections
- Pressure relief valve in fuel pump
Comfort Features
- Fuel Efficiency
-
- Optimized fuel injector spray pattern
- Lightweight fuel tank design
- Aerodynamic underbody fuel tank placement
- Refueling
-
- Easy-access fuel filler door
- Capless fuel filler system (2006-2007 models)
- Fuel tank venting system for fast refueling
Accessories
- Fuel System Upgrades
-
- High-flow fuel pump
- Performance fuel injectors
- Aftermarket fuel pressure regulator
- Fuel Tank Accessories
-
- Fuel tank skid plate
- Fuel tank insulation kit
- Extended range fuel tank
- Maintenance Tools
-
- Fuel pressure tester
- Fuel injector cleaning kit
- Fuel line disconnect tool
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Replace fuel filter
- Inspect fuel lines for leaks
- Clean fuel injectors
- Check fuel pump pressure
- Inspect fuel tank for damage
- Maintenance Notes
- Use only unleaded gasoline with a minimum octane rating of 87 (AKI). Avoid ethanol blends above 10% to prevent fuel system damage.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Fuel system components excluding wear items
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Fuel pump and injectors
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Evaporative emissions system
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Fuel tank corrosion perforation
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Injection molding for fuel tank
- CNC machining for fuel injectors
- Robotic assembly for fuel pump modules
- Quality Control
- Pressure Testing: Fuel tank and lines tested at 1.5x operating pressureLeak Testing: Helium leak detection for all fuel system componentsDurability Testing: Simulated 150,000 miles of fuel system operation
- Sustainability Practices
-
- Recycled HDPE material in fuel tank
- Low-VOC fuel system components
- Closed-loop manufacturing for fuel injectors
- Production Metrics
- Annual Production: Approximately 500,000 fuel systemsDefect Rate: Less than 0.01%Energy Efficiency: 15% reduction in manufacturing energy use since 2000
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Replace fuel filter
- Inspect fuel lines and connections
- Check fuel pump pressure
- Test fuel injector operation
- Inspect fuel tank for damage or leaks
Use only OEM or equivalent fuel filter to maintain proper flow rates
- Clean fuel injectors
- Inspect fuel pump operation
- Check fuel tank vent system
- Test evaporative emissions system
- Inspect fuel filler neck and cap
Special fuel system cleaner recommended for injector cleaning
- Replace fuel pump assembly
- Inspect and replace fuel lines if necessary
- Test fuel pressure regulator
- Perform complete fuel system diagnostic
- Replace fuel tank if corrosion is detected
Fuel pump replacement requires special tools and procedures
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2000-2007 Subaru Impreza?
What type of fuel is recommended for the 2000-2007 Subaru Impreza?
The 2000-2007 Subaru Impreza is designed to run on unleaded gasoline with an octane rating of 87 or higher. Using premium fuel (91 octane or higher) is not required but may improve performance in certain conditions. Avoid using diesel, E85, or any fuel with more than 10% ethanol, as it can damage the engine and fuel system components.
Q2 How often should I replace the fuel filter on my Subaru Impreza?
How often should I replace the fuel filter on my Subaru Impreza?
The fuel filter on a 2000-2007 Subaru Impreza should be replaced every 30,000 to 60,000 miles, depending on driving conditions and fuel quality. Regular replacement ensures optimal fuel flow and prevents contaminants from reaching the engine. Check your owner's manual for specific recommendations and consult a professional mechanic if you notice reduced performance or fuel efficiency.
Q3 How do I replace the fuel pump on a 2000-2007 Subaru Impreza?
How do I replace the fuel pump on a 2000-2007 Subaru Impreza?
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. Carefully lift out the old pump, replace it with a new one, and reassemble in reverse order. Always refer to the service manual for detailed instructions and safety precautions.
Q4 What should I do if my Subaru Impreza has trouble starting or stalls frequently?
What should I do if my Subaru Impreza has trouble starting or stalls frequently?
If your Impreza has trouble starting or stalls, check the fuel system for issues. Inspect the fuel pump, fuel filter, and fuel injectors for clogs or malfunctions. Ensure the battery and alternator are functioning properly. If the problem persists, use an OBD-II scanner to check for error codes and consult a professional mechanic for further diagnosis and repair.
Q5 How can I improve the fuel efficiency of my Subaru Impreza?
How can I improve the fuel efficiency of my Subaru Impreza?
To improve fuel efficiency, maintain proper tire pressure, use the recommended grade of motor oil, and replace air filters regularly. Avoid aggressive driving and excessive idling. Ensure the fuel system is clean and free of deposits. Consider using a fuel system cleaner periodically. Regular maintenance, such as tuning the engine and replacing spark plugs, can also enhance performance and fuel economy.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2000-2007 Subaru Impreza Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 2000-2007 Subaru Impreza.
Subaru Technical Service Bulletin: Fuel System Updates
Coming SoonDetails updates and fixes for common fuel system issues in the 2000-2007 Subaru Impreza.
Subaru Impreza Parts and Accessories Catalog
Coming SoonOfficial catalog listing genuine parts and accessories for the 2000-2007 Subaru Impreza.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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