Audi Audi A6 2004-2011 Fuel System Specifications
Detailed technical documentation for the fuel system of the 2004-2011 Audi A6, covering fuel types, fuel injection systems, fuel pump specifications, fuel filter requirements, and maintenance procedures.
2004-2011 Audi A6 Fuel Specifications Overview Specifications
This document provides a comprehensive guide to the fuel specifications for the 2004-2011 Audi A6 models. It includes detailed information on fuel types, capacities, consumption rates, and maintenance recommendations. Use this guide to ensure proper fuel usage, optimize performance, and maintain the vehicle's efficiency. Navigate through the sections to find specific details, or refer to the quick reference section for key specifications.
How to Use
To find specific information, use the search functionality by entering keywords such as 'fuel type,' 'capacity,' or 'consumption.' This will help you quickly locate relevant details within the document.
Navigate through the document by exploring the major sections listed below. Each section contains subsections with detailed technical points. Start with the quick reference section for a summary of key specifications.
Key Specifications
Fuel Tank Capacity
70-80 liters (18.49-21.13 gallons)
Recommended Fuel Type
95 RON (gasoline) or ULSD (diesel)
Combined Fuel Economy
6.5-11.5 liters/100 km (20.6-36.8 mpg US)
AdBlue Tank Capacity (diesel)
24 liters (6.34 gallons)
Emissions Standard
EU4 or EU5
Available Specifications
Fuel Capacities
This section details the fuel tank capacities for different engine variants of the 2004-2011 Audi A6. It also includes information on fuel types and recommended usage.
Fuel Capacities
This section details the fuel tank capacities for different engine variants of the 2004-2011 Audi A6. It also includes information on fuel types and recommended usage.
Fuel Tank Capacity
- Fuel tank capacity for 2.0L and 3.0L engines: approximately 70 liters (18.49 gallons)
- Fuel tank capacity for 4.2L V8 engine: approximately 80 liters (21.13 gallons)
- Reserve fuel capacity: approximately 5 liters (1.32 gallons)
- AdBlue tank capacity (for diesel models): approximately 24 liters (6.34 gallons)
- Fuel tank material: High-density polyethylene
Recommended Fuel Types
This section outlines the recommended fuel types for the 2004-2011 Audi A6 models, including both gasoline and diesel variants.
Recommended Fuel Types
This section outlines the recommended fuel types for the 2004-2011 Audi A6 models, including both gasoline and diesel variants.
Gasoline Engines
- Recommended fuel type: 95 RON (98 RON for optimal performance)
- Minimum fuel octane rating: 91 RON
- Use of biofuels: Up to 10% ethanol (E10) is acceptable
- Avoid using fuel with high sulfur content
- Do not use fuel additives unless specified by the manufacturer
Diesel Engines
- Recommended fuel type: Ultra-low sulfur diesel (ULSD)
- Minimum cetane number: 51
- Use of biofuels: Up to 5% biodiesel (B5) is acceptable
- Avoid using fuel with high sulfur content
- AdBlue (DEF) required for BlueTec diesel models
Fuel Economy
This section provides fuel economy estimates for various engine variants of the 2004-2011 Audi A6. The values are based on combined driving cycles.
Fuel Economy
This section provides fuel economy estimates for various engine variants of the 2004-2011 Audi A6. The values are based on combined driving cycles.
Combined Fuel Economy Estimates
- 2.0L TFSI gasoline engine: approximately 8.5 liters/100 km (27.7 mpg US)
- 3.0L TFSI gasoline engine: approximately 9.5 liters/100 km (24.7 mpg US)
- 4.2L V8 gasoline engine: approximately 11.5 liters/100 km (20.6 mpg US)
- 3.0L TDI diesel engine: approximately 6.5 liters/100 km (36.8 mpg US)
- 4.0L TDI diesel engine: approximately 7.5 liters/100 km (31.4 mpg US)
Refueling Procedures
This section provides guidelines for refueling your Audi A6, including safety precautions and best practices.
Refueling Procedures
This section provides guidelines for refueling your Audi A6, including safety precautions and best practices.
Refueling Guidelines
- Ensure the vehicle is on level ground before refueling
- Turn off the engine and all electrical accessories
- Engage the parking brake
- Open the fuel door using the release mechanism
- Use the correct fuel nozzle size and type
- Do not overfill the fuel tank
- Check for any fuel spills or leaks after refueling
Emissions
This section details the emissions specifications and compliance information for the 2004-2011 Audi A6 models.
Emissions
This section details the emissions specifications and compliance information for the 2004-2011 Audi A6 models.
Emissions Standards
- Gasoline engines comply with EU4 emissions standards
- Diesel engines comply with EU4 or EU5 emissions standards
- BlueTec diesel models comply with EU5 emissions standards
- CO2 emissions for gasoline models: approximately 215-250 g/km
- CO2 emissions for diesel models: approximately 180-220 g/km
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Component Specifications
Overview
- Type
- gasoline
- Configuration
- multi-point fuel injection
- Fuel Tank Capacity
- 70 liters (18.49 gallons)
- Recommended Fuel
- premium unleaded, 95 RON
- Fuel injection System
- Bosch Motronic ME 7.1
Dimensions
- Fuel Tank Capacity
- 70 liters (18.49 gallons)
- Fuel Line Diameter
- 8 mm (0.315 in)
- Fuel Pump Pressure
- 3.5 bar (50.76 psi)
- Fuel injector Flow Rate
- 190 cc/min
- Fuel Filter Size
- 6 inches (15.24 cm)
- Fuel Tank Length
- 1040 mm (40.94 in)
- Fuel Tank Width
- 500 mm (19.69 in)
Materials
- Fuel Tank
- high-density polyethylene (HDPE)
- Fuel Lines
- stainless steel
- Fuel Pump
- metal and plastic components
- Fuel injectors
- stainless steel with Viton seals
- Fuel Filter
- paper and metal
Features
- Fuel injection System
-
- multi-point fuel injection
- adaptive fuel mapping
- knock sensor integration
- Fuel Efficiency
-
- variable valve timing
- exhaust gas recirculation
- catalytic converter
- Fuel Tank Features
-
- 70-liter capacity
- HDPE construction
- anti-siphon device
- Fuel Pump Features
-
- electric fuel pump
- 3.5 bar operating pressure
- built-in fuel pressure regulator
- Monitoring System
-
- fuel level sensor
- fuel pressure sensor
- fuel temperature sensor
Safety Features
- Anti Siphon Device
- built-in fuel tank anti-siphon valve
- Roll Over Protection
-
- automatic fuel pump shut-off
- fuel line pressure relief
- Fuel Tank Protection
-
- impact-resistant HDPE construction
- strategic tank placement
- Leak Detection
- integrated fuel system leak detection
- Evaporative Emissions Control
-
- charcoal canister
- solenoid valve
- vent valve
Comfort Features
- Fuel Tank Positioning
- rear-mounted for reduced noise
- Fuel Pump Noise Reduction
- sound-dampening insulation
- Fuel Cap
-
- locking fuel cap
- tethered fuel cap
- Fuel Filler Door
- convenient driver-side location
Accessories
- Fuel Accessories
-
- fuel filler cap
- fuel tank cleaning kit
- fuel additive kit
- fuel pressure test kit
- Fuel System Tools
-
- fuel line repair kit
- fuel injector cleaning kit
- fuel filter wrench
- Fuel Storage
-
- fuel can
- fuel transfer pump
- fuel storage tank
Maintenance
- Service interval
-
- fuel filter replacement: every 15,000 miles (24,140 km)
- fuel system cleaning: every 30,000 miles (48,280 km)
- fuel tank inspection: every 60,000 miles (96,560 km)
- fuel injector cleaning: every 45,000 miles (72,420 km)
- Maintenance Notes
-
- Always use premium unleaded fuel
- Avoid using fuel additives unless recommended
- Inspect fuel lines and connections annually
Warranty
- New Vehicle Warranty
- Miles: 50000Years: 4Coverage: bumper-to-bumper
- Fuel System Components
- Miles: 100000Years: 5Coverage: fuel tank, lines, pump, injectors
- Emissions Warranty
- Miles: 150000Years: 10Coverage: catalytic converter, evaporative emissions
- Corrosion Perforation Warranty
- Miles: 100000Years: 5Coverage: fuel tank and lines
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- robotic welding
- laser cutting
- precision injection molding
- Quality Control
- inspections: dimensional checks, leak testing, pressure testingCertifications: ISO 9001, IATF 16949
- Sustainability Practices
-
- recyclable materials
- low-emission manufacturing
- energy-efficient processes
- Production Metrics
- Annual Volume: units per yearDefect Rate: less than 1%Warranty Claim Rate: less than 2%
Service Information for Fuel System Service
Maintenance and service requirements specific to the fuel system
- Replace fuel filter
- Inspect fuel lines and connections
- Check fuel cap and gasket
- Test fuel system pressure
- Inspect fuel tank for damage or corrosion
Ensure all fuel system components are inspected for tightness and integrity.
- Clean fuel injectors
- Inspect fuel pump operation
- Check fuel pressure regulator
- Test fuel temperature sensor
- Inspect evaporative emissions system
Recommended to use Audi-approved cleaning solutions and tools.
- Replace fuel injectors if necessary
- Inspect and clean fuel tank
- Replace fuel pump if faulty
- Inspect fuel system for leaks
- Test fuel system performance
Major service interval - ensure all components are checked and replaced as needed.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is recommended for the 2004-2011 Audi A6?
What type of fuel is recommended for the 2004-2011 Audi A6?
The 2004-2011 Audi A6 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 fuel efficiency.
Q2 What is the fuel tank capacity of the 2004-2011 Audi A6?
What is the fuel tank capacity of the 2004-2011 Audi A6?
The fuel tank capacity for the 2004-2011 Audi A6 is approximately 19.8 gallons (75 liters). This capacity may vary slightly depending on the specific model and trim.
Q3 Can I use ethanol-blended fuel in my Audi A6?
Can I use ethanol-blended fuel in my Audi A6?
The 2004-2011 Audi A6 can safely use ethanol-blended fuels containing up to 10% ethanol (E10). However, using fuels with higher ethanol content (e.g., E15 or E85) is not recommended as it may cause damage to the fuel system and engine components.
Q4 What is the fuel economy of the 2004-2011 Audi A6?
What is the fuel economy of the 2004-2011 Audi A6?
The fuel economy for the 2004-2011 Audi A6 varies by engine type. For example, the 3.2L V6 engine achieves approximately 18 mpg in the city and 27 mpg on the highway, while the 4.2L V8 engine achieves around 15 mpg in the city and 22 mpg on the highway.
Q5 How often should I replace the fuel filter on my Audi A6?
How often should I replace the fuel filter on my Audi A6?
Audi recommends replacing the fuel filter every 40,000 to 60,000 miles or as specified in the vehicle's maintenance schedule. Regular replacement ensures optimal fuel flow and prevents contaminants from entering the engine.
Q6 What should I do if I accidentally use the wrong type of fuel?
What should I do if I accidentally use the wrong type of fuel?
If you accidentally use the wrong type of fuel (e.g., diesel in a gasoline engine), do not start the engine. Contact a certified Audi service center immediately to drain and flush the fuel system to prevent damage.
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 A6 Fuel System Maintenance Guide
Coming SoonA detailed guide on maintaining the fuel system, including fuel filter replacement, fuel injector cleaning, and troubleshooting common fuel-related issues.
Audi A6 Fuel Specifications and Recommendations
Coming SoonOfficial Audi documentation outlining fuel specifications, recommended fuel types, and tips for optimizing fuel efficiency.
Audi A6 Fuel Economy Tips
Coming SoonPractical tips and driving techniques to improve fuel economy and reduce fuel consumption in the 2004-2011 Audi A6.
Audi A6 Fuel System Troubleshooting
Coming SoonStep-by-step troubleshooting guide for diagnosing and resolving common fuel system issues in the 2004-2011 Audi A6.
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