Audi Audi A4 2009-2016 Fuel System Specifications
Detailed technical guide for the 2009-2016 Audi A4 fuel system, including fuel type requirements, pressure specifications, injector details, pump performance, and emission compliance.
Fuel Specifications Overview Specifications
This document provides a comprehensive overview of the fuel specifications for the 2009-2016 Audi A4 models. It includes detailed information on fuel types, capacities, consumption rates, and maintenance recommendations. Use this guide to understand the fuel requirements for your vehicle, optimize fuel efficiency, and ensure proper maintenance. Navigate through the sections to find specific details or use the quick reference section for key specifications.
How to Use
To find specific information, use the search functionality to look for keywords such as 'fuel type', 'capacity', or 'consumption rates'. Results will be highlighted for easy access.
Navigate through the document by selecting sections from the table of contents. Each section contains subsections with detailed technical points. Use the quick reference section for a concise summary of key specifications.
Key Specifications
Engine Options
2.0L TFSI, 3.2L V6, 2.0L TDI, 3.0L TDI
Fuel Type
Gasoline (91+ octane) or Ultra-low sulfur diesel
Fuel Tank Capacity
16.9 gallons (63.9 liters)
Fuel Consumption (city/highway)
Up to 24/31 MPG (gasoline), 30/42 MPG (diesel)
Recommended Fuel
No ethanol or biodiesel blends
Available Specifications
Engine and Fuel Type Specifications
This section details the engine options and fuel types available for the 2009-2016 Audi A4 models. It includes technical specifications for gasoline and diesel engines, as well as fuel injection systems.
Engine and Fuel Type Specifications
This section details the engine options and fuel types available for the 2009-2016 Audi A4 models. It includes technical specifications for gasoline and diesel engines, as well as fuel injection systems.
Engine Options
- 2.0L TFSI 4-cylinder engine (gasoline)
- 3.2L V6 engine (gasoline)
- 2.0L TDI 4-cylinder engine (diesel)
- 3.0L TDI V6 engine (diesel)
- Available with manual or automatic transmissions
Fuel Types
- Gasoline: Minimum 91 octane recommended
- Diesel: Ultra-low sulfur diesel required
- No ethanol or biodiesel blends recommended
- Fuel tank capacity: Approximately 16.9 gallons (63.9 liters)
Fuel Consumption and Efficiency
This section provides fuel consumption rates for various Audi A4 models based on engine type and driving conditions. It also includes tips for optimizing fuel efficiency.
Fuel Consumption and Efficiency
This section provides fuel consumption rates for various Audi A4 models based on engine type and driving conditions. It also includes tips for optimizing fuel efficiency.
Fuel Consumption Rates
- 2.0L TFSI: Up to 24 MPG city, 31 MPG highway
- 3.2L V6: Up to 21 MPG city, 29 MPG highway
- 2.0L TDI: Up to 30 MPG city, 42 MPG highway
- 3.0L TDI: Up to 24 MPG city, 31 MPG highway
- Actual mileage may vary based on driving conditions
Efficiency Tips
- Maintain proper tire pressure
- Use cruise control on highways
- Avoid aggressive acceleration
- Regularly service air filters
- Check fuel cap for proper sealing
Fuel Tank and System Details
This section covers technical details about the fuel tank, fuel lines, and fuel injection system for the Audi A4 models.
Fuel Tank and System Details
This section covers technical details about the fuel tank, fuel lines, and fuel injection system for the Audi A4 models.
Fuel Tank Specifications
- Fuel tank capacity: 16.9 gallons (63.9 liters)
- Fuel tank material: High-strength steel
- Fuel tank location: Rear of vehicle
- Fuel level sensor accuracy: ±1% at full capacity
Fuel Injection System
- Direct fuel injection (TFSI engines)
- Common rail fuel injection (TDI engines)
- Fuel pressure: Up to 2,000 bar (TFSI)
- Fuel pressure: Up to 1,800 bar (TDI)
- Fuel injectors serviced every 30,000 miles
Search Specifications
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Component Specifications
Overview
- Type
- gasoline
- Configuration
- inline-4 cylinder
- Fuel Tank Location
- rear
- Fuel Type
- unleaded premium
- Fuel injection System
- direct injection
Dimensions
- Fuel Tank Capacity
- 16.6 gallons (63 liters)
- Fuel Tank Length
- 43.3 inches (110 cm)
- Fuel Tank Width
- 19.7 inches (50 cm)
- Fuel Tank Height
- 10.6 inches (27 cm)
- Fuel Line Diameter
- 0.5 inches (1.3 cm)
- Fuel Pump Flow Rate
- 75 liters per hour
Materials
- Fuel Tank
- high-density polyethylene
- Fuel Lines
- nylon 12
- Fuel injectors
- stainless steel
- Fuel Pump
- steel housing with plastic components
- Fuel Cap
- aluminum alloy
Features
- Fuel Efficiency
-
- direct fuel injection
- variable valve timing
- fuel-saving start/stop technology
- optimized combustion chamber design
- System Protection
-
- fuel filter with water separator
- fuel pressure regulator
- anti-siphon device
- overflow protection system
- Emission Control
-
- catalytic converter
- exhaust gas recirculation
- fuel evaporative emissions control
- secondary air injection
- System Monitoring
-
- fuel level sensor
- fuel temperature sensor
- fuel pressure sensor
- fuel system diagnostics
Safety Features
- Fuel System Pressure
-
- pressure relief valve
- burst protection
- overpressure sensor
- Leak Detection
-
- evaporative emissions leak detection
- fuel tank leak detection
- fuel line integrity monitoring
- Ignition Protection
-
- fuel pump cutoff in case of collision
- electrical system surge protection
- static discharge protection
Comfort Features
- Convenience
-
- fuel capless system
- automatic fuel door release
- fuel door damping
- low-fuel warning system
- Noise Reduction
-
- acoustic fuel tank insulation
- fuel line damping
- fuel pump noise reduction
Accessories
- Fuel Additives
-
- Audi-approved fuel injector cleaner
- fuel system cleaner kit
- premium fuel additive package
- Fuel Storage
-
- spare fuel canister
- fuel transfer pump
- fuel container lock
- Fuel System Maintenance
-
- fuel filter replacement kit
- fuel line repair kit
- fuel tank cleaning service
Maintenance
- Service interval
-
- fuel filter replacement: every 30,000 miles
- fuel system cleaning: every 60,000 miles
- fuel injectors cleaning: every 45,000 miles
- fuel tank inspection: every 15,000 miles
- fuel line inspection: every 90,000 miles
- Maintenance Notes
- Use Audi-approved fuel additives and follow recommended service intervals to maintain optimal performance and fuel efficiency.
Warranty
- Basic Warranty
- Miles: 48,000 milesYears: 4 yearsCoverage: bumper-to-bumper
- Powertrain Warranty
- Miles: 50,000 milesYears: 5 yearsCoverage: engine, transmission, fuel system
- Corrosion Warranty
- Miles: Unlimited milesYears: 12 yearsCoverage: perforation of body panels
- Emissions Warranty
- Miles: 80,000 milesYears: 8 yearsCoverage: emissions-related components
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- robotic welding
- laser cutting
- high-precision injection molding
- computer-controlled assembly
- Quality Control
- inspection: dimensional checks, leak testing, pressure testing, functional testingCertifications: ISO 9001, IATF 16949, ISO 14001
- Sustainability Practices
-
- recyclable materials
- low-emission manufacturing
- energy-efficient processes
- waste reduction programs
- Production Metrics
- Annual Production: Over 500,000 unitsManufacturing Time: Approx. 20 hours per unitDefect Rate: Less than 1%Delivery Time: Global delivery within 30 days
Service Information for Fuel System Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Check fuel tank for leaks
- Test fuel pressure
- Inspect fuel injectors
- Replace fuel filter
Ensure all fuel system components are checked for integrity and proper function.
- Clean fuel injectors
- Inspect fuel pump operation
- Check fuel system for contamination
- Replace fuel system accumulator
- Test fuel cap functionality
Use Audi-approved tools and procedures for injector cleaning and system testing.
- Replace fuel lines if damaged
- Inspect fuel tank straps
- Check fuel system electrical connections
- Replace fuel system pressure regulator
- Perform fuel system leak test
Address any issues promptly to prevent fuel system failures.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2009-2016 Audi A4?
What type of fuel is recommended for the 2009-2016 Audi A4?
The 2009-2016 Audi A4 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 potential engine knocking.
Q2 Can I use ethanol-blended fuel in my Audi A4?
Can I use ethanol-blended fuel in my Audi A4?
Yes, the 2009-2016 Audi A4 can safely use ethanol-blended fuels containing up to 10% ethanol (E10). However, using fuels with higher ethanol content, such as E15 or E85, is not recommended as it may damage the engine and fuel system components.
Q3 What is the fuel tank capacity of the 2009-2016 Audi A4?
What is the fuel tank capacity of the 2009-2016 Audi A4?
The fuel tank capacity of the 2009-2016 Audi A4 is 16.9 gallons (64 liters) for most trims. This capacity may vary slightly depending on the specific model and options.
Q4 How often should I replace the fuel filter in my Audi A4?
How often should I replace the fuel filter in my Audi A4?
The fuel filter in the 2009-2016 Audi A4 is typically designed to last the lifetime of the vehicle under normal driving conditions. However, if you experience symptoms of fuel delivery issues, such as poor performance or difficulty starting, it may need to be inspected and replaced.
Q5 What is the fuel economy of the 2009-2016 Audi A4?
What is the fuel economy of the 2009-2016 Audi A4?
The fuel economy varies by engine type. For example, the 2.0T FSI engine achieves approximately 21 MPG in the city and 31 MPG on the highway, while the 3.2L V6 engine averages around 18 MPG in the city and 27 MPG on the highway. Actual mileage may vary based on driving conditions and habits.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Audi A4 Fuel System Maintenance Guide
Coming SoonComprehensive guide on maintaining the fuel system of the 2009-2016 Audi A4, including fuel filter inspection and fuel injector cleaning.
Understanding Fuel Octane Ratings
Coming SoonExplains the importance of octane ratings and why premium fuel is recommended for Audi vehicles to ensure optimal performance and engine longevity.
Ethanol-Blended Fuels and Your Audi
Coming SoonInformation on the effects of ethanol-blended fuels on Audi vehicles and guidelines for safe usage to avoid potential damage.
Audi A4 Fuel Tank and Pump Replacement
Coming SoonStep-by-step instructions for replacing the fuel tank and fuel pump in the 2009-2016 Audi A4, including safety precautions and required tools.
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