Subaru Subaru Legacy 2020-present Fuel System Specifications
Explore the detailed fuel specifications for the 2020-Present Subaru Legacy, including fuel type, tank capacity, economy, and emission standards. Essential for maintenance, performance optimization, and compliance.
Overview Specifications
This document provides detailed fuel specifications and related information for the 2020-Present Subaru Legacy. It is designed to help users understand the vehicle's fuel requirements, efficiency, and performance. Use the search functionality to find specific terms or navigate through sections to explore fuel-related details comprehensively.
How to Use
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Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed points for easy reference.
Key Specifications
Fuel Type
Regular Unleaded (87 octane)
Fuel Tank Capacity
18.5 gallons
City Mileage
27 MPG
Highway Mileage
35 MPG
Combined Mileage
30 MPG
Available Specifications
Fuel Type and Requirements
This section covers the recommended fuel type for the Subaru Legacy, along with any specific requirements or restrictions. It also includes details on fuel additives and their impact on performance.
Fuel Type and Requirements
This section covers the recommended fuel type for the Subaru Legacy, along with any specific requirements or restrictions. It also includes details on fuel additives and their impact on performance.
Recommended Fuel Type
- Regular unleaded gasoline with an octane rating of 87 or higher
- Premium gasoline (91 octane or higher) recommended for optimal performance
- Ethanol blends up to 10% (E10) are acceptable
- Avoid using diesel or E85 fuels as they are not compatible
Fuel Additives
- Subaru recommends using Top Tier detergent gasoline
- Avoid aftermarket fuel additives unless approved by Subaru
- Fuel system cleaners can be used periodically for maintenance
- Using non-recommended additives may void the warranty
Fuel Efficiency and Mileage
This section provides information on the Subaru Legacy's fuel efficiency, including EPA-estimated mileage for city, highway, and combined driving. It also discusses factors that can affect fuel economy.
Fuel Efficiency and Mileage
This section provides information on the Subaru Legacy's fuel efficiency, including EPA-estimated mileage for city, highway, and combined driving. It also discusses factors that can affect fuel economy.
EPA-Estimated Mileage
- City: 27 MPG
- Highway: 35 MPG
- Combined: 30 MPG
- Mileage may vary based on driving conditions and habits
Factors Affecting Fuel Economy
- Aggressive driving reduces fuel efficiency
- Proper tire inflation improves mileage
- Regular maintenance ensures optimal performance
- Cold weather can decrease fuel economy
Fuel Tank and Capacity
This section details the fuel tank specifications, including capacity and design features. It also covers refueling tips and safety precautions.
Fuel Tank and Capacity
This section details the fuel tank specifications, including capacity and design features. It also covers refueling tips and safety precautions.
Fuel Tank Capacity
- Total fuel tank capacity: 18.5 gallons
- Reserve fuel capacity: Approximately 2.5 gallons
- Fuel gauge indicates remaining fuel level
- Low fuel warning light activates when reserve is reached
Refueling Tips
- Turn off the engine before refueling
- Use the correct fuel grade for optimal performance
- Avoid overfilling the tank to prevent spills
- Ensure the fuel cap is securely tightened after refueling
Search Specifications
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Component Specifications
Overview
- Type
- Unleaded gasoline
- Octane Rating
- 87 (minimum)
- Fuel Tank Capacity
- 18.5 gallons (70 liters)
- Fuel Delivery
- Direct injection
- Emissions Compliance
- Tier 3 Bin 30
Dimensions
- Fuel Tank Length
- 32.5 inches (82.5 cm)
- Fuel Tank Width
- 24.8 inches (63 cm)
- Fuel Tank Height
- 12.2 inches (31 cm)
- Fuel Line Diameter
- 0.375 inches (9.5 mm)
- Fuel Pump Output
- 45 psi (310 kPa)
- Fuel Filter Size
- 2.5 inches x 1.5 inches (6.35 cm x 3.81 cm)
- Fuel injector Flow Rate
- 250 cc/min
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nylon with fluoropolymer lining
- Fuel Pump
- Stainless steel and plastic composite
- Fuel injectors
- Stainless steel with teflon seals
Features
- Fuel Efficiency
-
- Active grille shutters
- Auto start-stop system
- Eco driving mode
- Low rolling resistance tires
- Fuel Management
-
- Real-time fuel economy display
- Low fuel warning system
- Fuel tank pressure sensor
- Evaporative emissions control
- Performance
-
- Symmetrical All-Wheel Drive
- Lineartronic CVT transmission
- Sport mode for enhanced throttle response
- Hill holder assist
- Safety
-
- Fuel cut-off system in collisions
- Impact-resistant fuel tank
- Fuel system leak detection
- Overfill protection
- Environmental
-
- PZEV (Partial Zero Emissions Vehicle) option
- Low evaporative emissions
- Recyclable fuel system components
- Reduced CO2 emissions
Safety Features
- Collision Protection
-
- Automatic fuel pump shut-off
- Reinforced fuel tank structure
- Impact-resistant fuel lines
- Fire Prevention
-
- Flame arrestor in fuel tank
- Thermal protection for fuel lines
- Fuel vapor recovery system
- Leak Prevention
-
- Double-walled fuel tank
- Pressure-tested fuel lines
- Automatic leak detection system
Comfort Features
- Driving Experience
-
- Smooth power delivery
- Quiet fuel pump operation
- Minimal fuel sloshing noise
- Convenience
-
- Easy fuel filler access
- Capless fuel filler system
- Fuel door with remote release
- information
-
- Accurate fuel gauge
- Distance-to-empty calculation
- Fuel economy history display
Accessories
- Fuel System
-
- Fuel system cleaner
- Fuel additive packages
- Fuel line antifreeze
- Maintenance
-
- Fuel filter replacement kit
- Fuel injector cleaner
- Fuel system diagnostic tool
- Performance
-
- High-flow fuel pump
- Performance fuel injectors
- Fuel pressure regulator
Maintenance
- Service interval
- 7,500 miles or 6 months
- Service Items
-
- Fuel filter inspection
- Fuel system pressure test
- Fuel injector cleaning
- Fuel tank inspection
- Fuel line integrity check
- Maintenance Notes
- Use only recommended fuel additives and cleaners
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Fuel system components
- Powertrain
- Miles: 60,000Years: 5Coverage: Fuel pump and injectors
- Emissions
- Miles: 80,000Years: 8Coverage: Evaporative emissions system
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Fuel tank corrosion
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Robotic assembly of fuel system components
- Automated leak testing
- Precision fuel injector calibration
- Quality Control
- Pressure Testing: 100% of fuel systemsMaterial inspection: X-ray and ultrasonic testingPerformance Verification: Dyno testing of complete fuel system
- Sustainability Practices
-
- Recycled materials in fuel tank production
- Low-VOC fuel system coatings
- Energy-efficient manufacturing processes
- Production Metrics
- Daily Output: 1,200 unitsDefect Rate: 0.01%Energy Consumption: 15 kWh per unit
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Check fuel system pressure
- Test fuel pump operation
- Inspect fuel tank for damage
- Check fuel filler neck and cap
Use only Subaru-approved fuel system cleaners
- Replace fuel filter
- Clean fuel injectors
- Inspect fuel pump assembly
- Check fuel system for leaks
- Test evaporative emissions system
Requires special tools for fuel system service
- Replace fuel pump if necessary
- Replace fuel injector seals
- Perform complete fuel system flush
- Inspect and clean fuel tank
- Test fuel pressure regulator
Major service requiring dealership-level equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is compatible with the 2020-Present Subaru Legacy?
What type of fuel is compatible with the 2020-Present Subaru Legacy?
The 2020-Present Subaru Legacy is compatible with regular unleaded gasoline with an octane rating of 87 or higher. Using premium fuel (91 octane or higher) is not required but may provide slight performance improvements. Avoid using diesel, E85, or any fuel with more than 10% ethanol, as it may damage the engine and void the warranty.
Q2 What are the maintenance requirements for the fuel system in the Subaru Legacy?
What are the maintenance requirements for the fuel system in the Subaru Legacy?
The fuel system in the Subaru Legacy requires regular maintenance, including fuel filter replacement every 30,000 miles and fuel injector cleaning every 60,000 miles. Use only high-quality fuel to prevent deposits. Inspect the fuel lines and connections annually for leaks or wear. Follow the owner's manual for specific intervals and procedures.
Q3 How do I replace the fuel filter in a 2020-Present Subaru Legacy?
How do I replace the fuel filter in a 2020-Present Subaru Legacy?
To replace the fuel filter, first, locate it near the fuel tank. Disconnect the negative battery terminal. Relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls. Disconnect the fuel lines and remove the old filter. Install the new filter, reconnect the fuel lines, and secure the battery terminal. Start the engine and check for leaks.
Q4 What should I do if my Subaru Legacy has poor fuel efficiency?
What should I do if my Subaru Legacy has poor fuel efficiency?
If your Subaru Legacy has poor fuel efficiency, check for clogged air filters, low tire pressure, or dirty fuel injectors. Ensure the fuel cap is tightly sealed. Use a fuel system cleaner to remove deposits. If issues persist, inspect the oxygen sensors, spark plugs, and fuel pump for proper operation. Consult a mechanic for advanced diagnostics.
Q5 How can I optimize fuel performance in my Subaru Legacy?
How can I optimize fuel performance in my Subaru Legacy?
To optimize fuel performance, maintain proper tire pressure, use high-quality fuel, and avoid aggressive driving. Regularly replace air filters and spark plugs. Keep the fuel system clean by using additives or professional cleaning services. Follow the recommended maintenance schedule and ensure the engine is properly tuned for peak efficiency.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2020-Present Subaru Legacy Owner's Manual
Coming SoonComprehensive guide covering vehicle operation, maintenance schedules, and technical specifications for the Subaru Legacy.
Subaru Technical Service Bulletin (TSB) for Fuel System Updates
Coming SoonLatest updates and fixes for fuel system-related issues in the 2020-Present Subaru Legacy.
Subaru Legacy Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM parts and accessories for the 2020-Present Subaru Legacy, including fuel system components.
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