Subaru Subaru Outback 2015-2019 Fuel System Specifications
Explore the comprehensive fuel specifications for the 2015-2019 Subaru Outback, including fuel type, tank capacity, economy, and emissions. Essential for maintenance, performance optimization, and compliance.
Overview Specifications
This document provides detailed fuel specifications for the 2015-2019 Subaru Outback. It includes information on fuel types, efficiency, tank capacity, and related technical details. Use this guide to understand the vehicle's fuel performance and requirements. The 'howTo' section explains how to navigate and search for specific information, while the 'sections' provide in-depth details on fuel-related topics. The 'quickReference' section offers a summary of key specifications for quick access.
How to Use
Use the search functionality to find specific fuel-related terms or specifications. Enter keywords like 'fuel efficiency' or 'tank capacity' to quickly locate relevant information.
Navigate through the document using the section titles and subsections. Each major section is divided into subsections with detailed points, making it easy to find the information you need.
Key Specifications
Fuel Type
Regular Unleaded (87 octane)
Fuel Tank Capacity
18.5 gallons
City MPG
25-28 MPG
Highway MPG
32-35 MPG
Combined MPG
28-30 MPG
Available Specifications
Fuel Types and Requirements
This section covers the types of fuel suitable for the 2015-2019 Subaru Outback, including recommended octane ratings and any specific requirements for optimal performance.
Fuel Types and Requirements
This section covers the types of fuel suitable for the 2015-2019 Subaru Outback, including recommended octane ratings and any specific requirements for optimal performance.
Recommended Fuel Type
- Regular unleaded gasoline with an octane rating of 87 or higher
- Premium gasoline (91 octane or higher) recommended for improved performance
- Ethanol blends up to E10 (10% ethanol) are acceptable
- Avoid using diesel or other incompatible fuels
Fuel Additives
- Use of fuel additives is generally not required
- Subaru recommends avoiding aftermarket additives unless specified
- Fuel system cleaners can be used occasionally for maintenance
- Always follow the manufacturer's guidelines for additives
Fuel Efficiency
This section provides details on the fuel efficiency of the 2015-2019 Subaru Outback, including EPA-estimated mileage for city, highway, and combined driving conditions.
Fuel Efficiency
This section provides details on the fuel efficiency of the 2015-2019 Subaru Outback, including EPA-estimated mileage for city, highway, and combined driving conditions.
EPA-Estimated Mileage
- City: 25-28 MPG (depending on engine and drivetrain)
- Highway: 32-35 MPG (depending on engine and drivetrain)
- Combined: 28-30 MPG (depending on engine and drivetrain)
- Real-world mileage may vary based on driving conditions
Factors Affecting Efficiency
- Driving habits (e.g., aggressive acceleration reduces efficiency)
- Vehicle load (carrying heavy items decreases mileage)
- Tire pressure (underinflated tires lower fuel economy)
- Environmental conditions (cold weather can reduce efficiency)
Fuel Tank and Capacity
This section outlines the fuel tank specifications for the 2015-2019 Subaru Outback, including capacity, refueling procedures, and safety precautions.
Fuel Tank and Capacity
This section outlines the fuel tank specifications for the 2015-2019 Subaru Outback, including capacity, refueling procedures, and safety precautions.
Fuel Tank Capacity
- Standard fuel tank capacity: 18.5 gallons
- Reserve fuel capacity: approximately 2.5 gallons
- Range: up to 500 miles on a full tank (depending on driving conditions)
- Fuel gauge and low fuel warning light provide refueling alerts
Refueling and Safety
- Always turn off the engine before refueling
- Use the fuel door release lever located inside the vehicle
- Ensure the fuel cap is securely tightened after refueling
- Avoid overfilling the tank to prevent spillage
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Component Specifications
Overview
- Type
- Gasoline
- Octane Rating
- 87 (regular) or 91 (premium)
- Fuel System
- Direct injection
- Tank Capacity
- 18.5 gallons (70 liters)
- Fuel Economy
- 25 city / 33 highway mpg (9.4 / 7.1 L/100km)
Dimensions
- Tank Length
- 42 inches (106.7 cm)
- Tank Width
- 28 inches (71.1 cm)
- Tank Height
- 12 inches (30.5 cm)
- Filler Neck Diameter
- 1.5 inches (3.8 cm)
- Fuel Line Diameter
- 0.5 inches (1.27 cm)
- Fuel Pump Output
- 45 psi (310 kPa)
- Fuel Filter Size
- 4.5 inches x 2 inches (11.4 cm x 5.1 cm)
Materials
- Tank Material
- High-density polyethylene
- Fuel Lines
- Reinforced synthetic rubber
- Filler Neck
- Stainless steel
- Fuel Pump
- Thermoplastic housing with stainless steel components
- Fuel Filter
- Cellulose and synthetic fiber blend
Features
- Fuel Delivery
-
- Direct injection system
- Variable fuel pressure
- Returnless fuel system
- Tank Features
-
- Impact-resistant design
- Internal baffles for stability
- Integrated fuel pump module
- Vapor recovery system
- Monitoring
-
- Fuel level sensor
- Low fuel warning light
- Real-time fuel economy display
- Range estimation
- Emissions
-
- Evaporative emissions control
- Onboard refueling vapor recovery
- Sealed fuel system
- Safety
-
- Rollover valve
- Impact-activated shutoff valve
- Fuel cap with pressure relief
Safety Features
- Crash Safety
-
- Automatic fuel pump shutoff
- Reinforced tank structure
- Leak-proof connections
- Fire Prevention
-
- Flame arrestor in filler neck
- Heat-resistant fuel lines
- Vapor pressure management
- Environmental
-
- Zero evaporative emissions
- Spill-proof filler design
- Recyclable fuel system components
Comfort Features
- Refueling
-
- Easy-access fuel door
- Capless filler system
- Fuel level indicator on dashboard
- Driving
-
- Smooth fuel delivery
- Quiet operation
- Consistent performance
- Maintenance
-
- Long-lasting fuel filter
- Easy fuel pump access
- Durable fuel lines
Accessories
- Fuel Additives
-
- Fuel system cleaner
- Octane booster
- Fuel stabilizer
- Replacement Parts
-
- Fuel filter
- Fuel pump assembly
- Fuel cap
- Upgrades
-
- High-performance fuel pump
- Upgraded fuel injectors
- Fuel pressure regulator
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fuel filter replacement
- Fuel system inspection
- Fuel injector cleaning
- Fuel pump performance check
- Fuel line integrity check
- Maintenance Notes
- Use only recommended fuel types and additives
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 and lines
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Injection molding for fuel tank
- Precision machining for fuel pump
- Automated assembly for fuel system
- Quality Control
- Pressure Testing: All fuel system componentsLeak Testing: Complete fuel systemDurability Testing: Fuel pump and lines
- Sustainability Practices
-
- Recycled materials in fuel tank
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Annual Production: 500,000 unitsDefect Rate: 0.01%Recycling Rate: 95%
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Check fuel pump operation
- Test fuel pressure
- Replace fuel filter
- Clean fuel injectors
Use only Subaru-approved fuel system cleaners
- Inspect fuel tank for damage
- Check evaporative emissions system
- Test fuel pressure regulator
- Replace fuel pump if necessary
- Inspect fuel filler neck
Special tools required for fuel pump replacement
- Complete fuel system inspection
- Replace fuel pump assembly
- Replace all fuel lines
- Test fuel injector performance
- Check fuel tank baffles
Major service requires dealership-level equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2015-2019 Subaru Outback?
What type of fuel is recommended for the 2015-2019 Subaru Outback?
The 2015-2019 Subaru Outback is designed to run on regular unleaded gasoline with an octane rating of 87 or higher. Using higher-octane fuel is not required and will not significantly improve performance or fuel efficiency. Always refer to the owner's manual for specific fuel recommendations and avoid using fuels with more than 10% ethanol (E10) unless specified.
Q2 What is the recommended maintenance schedule for the 2015-2019 Subaru Outback?
What is the recommended maintenance schedule for the 2015-2019 Subaru Outback?
The 2015-2019 Subaru Outback requires regular maintenance every 6,000 miles or 6 months, whichever comes first. Key tasks include oil and filter changes, tire rotations, and inspections of brakes, fluids, and belts. At 30,000 and 60,000 miles, additional services like air filter replacement, spark plug inspection, and transmission fluid checks are recommended. Always follow the detailed schedule in the owner's manual.
Q3 How do I replace the fuel filter on a 2015-2019 Subaru Outback?
How do I replace the fuel filter on a 2015-2019 Subaru Outback?
To replace the fuel filter on a 2015-2019 Subaru Outback, first, locate the fuel filter near the fuel tank. Disconnect the negative battery terminal for safety. 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 to check for leaks.
Q4 What should I do if my 2015-2019 Subaru Outback has poor fuel efficiency?
What should I do if my 2015-2019 Subaru Outback has poor fuel efficiency?
If your 2015-2019 Subaru Outback has poor fuel efficiency, check for common issues such as dirty air filters, underinflated tires, or a malfunctioning oxygen sensor. Ensure the fuel system is clean and the spark plugs are in good condition. Driving habits, such as excessive idling or aggressive acceleration, can also impact fuel economy. If problems persist, consult a certified technician.
Q5 How can I optimize the fuel performance of my 2015-2019 Subaru Outback?
How can I optimize the fuel performance of my 2015-2019 Subaru Outback?
To optimize fuel performance, maintain proper tire pressure, use the recommended fuel grade, and keep up with regular maintenance. Avoid carrying unnecessary weight and use cruise control on highways to maintain consistent speeds. Regularly clean or replace air filters and ensure the engine is tuned properly. Smooth acceleration and braking can also improve fuel 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.
2015-2019 Subaru Outback Owner's Manual
Coming SoonComprehensive guide covering vehicle operation, maintenance schedules, and troubleshooting tips for the 2015-2019 Subaru Outback.
Subaru Technical Service Bulletin (TSB) for Fuel System Updates
Coming SoonDetails updates and fixes related to the fuel system for the 2015-2019 Subaru Outback, including recalls and performance improvements.
Subaru Outback Parts and Accessories Catalog
Coming SoonOfficial catalog listing genuine parts and accessories for the 2015-2019 Subaru Outback, including fuel system components.
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Technical Information
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