Subaru Subaru WRX 2022-present Fuel System Specifications
Explore the detailed fuel specifications for the 2022-Present Subaru WRX, including fuel type, octane rating, fuel system details, and fuel economy. This guide is essential for owners, technicians, and enthusiasts to ensure optimal performance and compatibility.
Overview Specifications
This document provides detailed fuel specifications for the 2022-Present Subaru WRX. It includes information on fuel type, efficiency, tank capacity, and performance-related details. Use this guide to understand the vehicle's fuel requirements and optimize its performance. The document is organized into sections for easy navigation, with quick reference tables for key specifications.
How to Use
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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
Premium Unleaded (91+ Octane)
Fuel Tank Capacity
15.9 gallons
City MPG
19 MPG
Highway MPG
26 MPG
Combined MPG
22 MPG
Available Specifications
Fuel Type and Requirements
This section covers the recommended fuel type for the Subaru WRX and any specific requirements to ensure optimal performance and engine longevity.
Fuel Type and Requirements
This section covers the recommended fuel type for the Subaru WRX and any specific requirements to ensure optimal performance and engine longevity.
Recommended Fuel Type
- Premium unleaded gasoline with an octane rating of 91 or higher
- Lower octane fuel can be used but may reduce performance
- Avoid using diesel or ethanol blends above 10%
- Subaru recommends using Top Tier detergent gasoline
Fuel Additives
- Avoid aftermarket fuel additives unless approved by Subaru
- Fuel system cleaners are not necessary if using Top Tier gasoline
- Using unapproved additives may void the warranty
- Consult the owner's manual for specific recommendations
Fuel Efficiency
This section provides details on the Subaru WRX's fuel efficiency, including EPA-estimated ratings and real-world performance expectations.
Fuel Efficiency
This section provides details on the Subaru WRX's fuel efficiency, including EPA-estimated ratings and real-world performance expectations.
EPA-Estimated MPG
- 19 MPG city
- 26 MPG highway
- 22 MPG combined
- Actual mileage may vary based on driving conditions
Factors Affecting Efficiency
- Aggressive driving reduces fuel efficiency
- Cold weather can lower MPG by up to 20%
- Proper tire inflation improves efficiency
- Regular maintenance ensures optimal fuel economy
Fuel Tank and Range
This section outlines the fuel tank capacity of the Subaru WRX and its estimated driving range based on fuel efficiency.
Fuel Tank and Range
This section outlines the fuel tank capacity of the Subaru WRX and its estimated driving range based on fuel efficiency.
Fuel Tank Capacity
- 15.9-gallon fuel tank
- Designed for extended driving range
- Tank material is high-strength steel
- Includes a capless fuel filler for convenience
Estimated Driving Range
- Approximately 302 miles city range
- Approximately 413 miles highway range
- Range varies with driving habits and conditions
- Low fuel warning light activates with 2.6 gallons remaining
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Component Specifications
Overview
- Type
- Premium Unleaded Gasoline
- Octane Rating
- 91 AKI (95 RON) minimum recommended
- Fuel Tank Capacity
- 16.6 gallons (62.8 liters)
- Fuel Delivery
- Direct Injection
- Emissions Compliance
- Tier 3 Bin 30 / LEV III SULEV30
- Fuel Economy
- 19 city / 26 highway / 22 combined MPG (2022 model)
Dimensions
- Fuel Tank Length
- 32.5 inches (82.6 cm)
- Fuel Tank Width
- 24.8 inches (63 cm)
- Fuel Tank Height
- 12.2 inches (31 cm)
- Fuel Filler Diameter
- 1.5 inches (3.8 cm)
- Fuel Line Diameter
- 0.375 inches (9.5 mm)
- Fuel Pump Flow Rate
- 45 gallons per hour (170 liters per hour)
- Fuel Pressure
- 2,900 psi (200 bar)
Materials
- Fuel Tank
- High-density polyethylene with anti-corrosion coating
- Fuel Lines
- Nylon with stainless steel reinforcement
- Fuel Pump
- Thermoplastic housing with brushed steel internals
- Fuel injectors
- Stainless steel with platinum tips
- Fuel Filter
- Synthetic fiber with metal casing
Features
- Fuel System
-
- Symmetrical All-Wheel Drive compatibility
- High-pressure direct injection
- Electronic throttle control
- Variable fuel pressure regulation
- Monitoring
-
- Real-time fuel economy display
- Low fuel warning system
- Fuel level sensor with temperature compensation
- Diagnostic trouble code storage
- Performance
-
- Optimized for turbocharged engines
- Cold-start fuel enrichment system
- Knock sensor feedback system
- Adaptive fuel mapping
- Safety
-
- Rollover fuel shutoff valve
- Impact-activated fuel pump cutoff
- Evaporative emissions control system
- Environmental
-
- Closed-loop fuel system
- Vapor recovery system
- Low-permeation fuel lines
Safety Features
- Crash Protection
-
- Automatic fuel pump shutoff
- Reinforced fuel tank placement
- Fire Prevention
-
- Flame arrestor in fuel filler neck
- Thermal protection for fuel lines
- Leak Prevention
-
- Double-sealed fuel injectors
- Pressure-tested fuel system components
Comfort Features
- Refueling
-
- Capless fuel filler system
- Easy-access fuel door release
- Fuel level indicator with reserve warning
- Driving
-
- Smooth fuel delivery for consistent power
- Adaptive fuel mapping for varying conditions
- Maintenance
-
- Long-life fuel filter
- Easy-access fuel pump service panel
Accessories
- Performance
-
- Aftermarket fuel pressure regulators
- High-flow fuel pumps
- Upgraded fuel injectors
- Monitoring
-
- Fuel pressure gauges
- Air-fuel ratio meters
- Fuel flow sensors
- Maintenance
-
- Fuel system cleaners
- Fuel stabilizers
- Fuel line antifreeze
Maintenance
- Service interval
- Every 6,000 miles or 6 months
- Service Items
-
- Fuel filter inspection
- Fuel system pressure test
- Fuel injector cleaning
- Fuel tank inspection for debris
- Fuel line integrity check
- Maintenance Notes
- Use only recommended fuel grade to maintain warranty coverage
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Fuel system components excluding wear items
- Powertrain
- Miles: 60,000Years: 5Coverage: Fuel pump and injectors
- Emissions
- Miles: 80,000Years: 8Coverage: Fuel system emissions components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Fuel tank corrosion protection
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Robotic fuel tank molding
- Precision fuel injector calibration
- Automated fuel system pressure testing
- Quality Control
- Leak Testing: 100% of fuel systems testedPressure Testing: All components tested to 150% of operating pressureMaterial Certification: ISO 9001 certified materials
- Sustainability Practices
-
- Recycled materials in fuel tank construction
- Low-VOC fuel system sealants
- Energy-efficient manufacturing processes
- Production Metrics
- Annual Production: Approximately 50,000 unitsDefect Rate: Less than 0.01%Recycling Rate: 95% of manufacturing waste recycled
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines for leaks
- Check fuel filter condition
- Test fuel system pressure
- Inspect fuel tank for debris
- Verify fuel cap seal integrity
Use only Subaru-approved fuel system cleaners
- Replace fuel filter
- Clean fuel injectors
- Inspect fuel pump operation
- Check fuel system sensors
- Test evaporative emissions system
Requires specialized diagnostic equipment
- Replace fuel pump assembly
- Inspect and clean fuel tank
- Replace fuel pressure regulator
- Perform complete fuel system flush
- Test all fuel system electrical connections
Major service requiring dealership-level tools
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2022-Present Subaru WRX?
What type of fuel is recommended for the 2022-Present Subaru WRX?
The 2022-Present Subaru WRX is designed to run on premium unleaded gasoline with an octane rating of 91 or higher. Using lower-octane fuel may result in reduced performance and engine knocking. The vehicle's turbocharged engine is optimized for premium fuel to ensure maximum power output and efficiency. Always refer to the owner's manual for specific fuel recommendations and compatibility details.
Q2 What are the maintenance requirements for the Subaru WRX?
What are the maintenance requirements for the Subaru WRX?
The Subaru WRX requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 6,000 miles or 6 months, tire rotations every 7,500 miles, and air filter replacements every 12,000 miles. Additionally, inspect the brake system, coolant levels, and spark plugs periodically. Adhering to the maintenance schedule outlined in the owner's manual is crucial for longevity and reliability.
Q3 How do I replace the air filter in my Subaru WRX?
How do I replace the air filter in my Subaru WRX?
To replace the air filter in your Subaru WRX, first, locate the air filter housing under the hood. Open the housing by releasing the clips or screws securing it. Remove the old air filter and clean any debris from the housing. Insert the new air filter, ensuring it is properly seated. Reassemble the housing and secure it. Always consult the owner's manual for detailed instructions and safety precautions.
Q4 What should I do if my Subaru WRX experiences engine knocking?
What should I do if my Subaru WRX experiences engine knocking?
If your Subaru WRX experiences engine knocking, first check the fuel quality and ensure you are using premium unleaded gasoline with an octane rating of 91 or higher. Inspect the spark plugs and ignition system for wear or damage. If the issue persists, consult a certified Subaru technician for a diagnostic check. Engine knocking can indicate serious issues, so prompt attention is essential.
Q5 How can I optimize the performance of my Subaru WRX?
How can I optimize the performance of my Subaru WRX?
To optimize the performance of your Subaru WRX, use premium fuel, maintain proper tire pressure, and follow the recommended maintenance schedule. Consider upgrading to high-performance air filters, exhaust systems, and engine tuning software for enhanced power and efficiency. Regularly clean the vehicle and inspect components for wear. Driving habits, such as smooth acceleration and braking, also contribute to optimal performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2022-Present Subaru WRX Owner's Manual
Coming SoonComprehensive guide covering vehicle operation, maintenance schedules, and troubleshooting tips for the Subaru WRX.
Subaru WRX Technical Service Bulletin (TSB) Updates
Coming SoonLatest technical updates and service bulletins for the 2022-Present Subaru WRX, addressing common issues and improvements.
Subaru WRX Parts and Accessories Catalog
Coming SoonOfficial catalog of OEM parts and accessories for the 2022-Present Subaru WRX, including performance upgrades and replacement components.
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