Audi Audi Q7 2005-2015

Audi Audi Q7 2005-2015 Fuel System Specifications

Detailed technical specifications and maintenance guidelines for the fuel system of the 2005-2015 Audi Q7, covering fuel type, fuel tank capacity, fuel injection system, and component-specific repair information.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2005-2015 Audi Q7, including key features, measurements, and technical details

How to Use

Use the search function to locate specific fuel specifications by entering keywords such as 'fuel type', 'octane rating', or 'tank capacity'.

Navigate through the fuel documentation sections using the table of contents or by scrolling through the document. Each major section is labeled for easy reference.

Key Specifications

Fuel Tank Capacity

26.4 gallons (100 liters)

Recommended Octane Rating

91 AKI or higher

Fuel Injector Flow Rate

500 cc/min at 3 bar

CO2 Emissions (Gasoline)

223 g/km

Fuel Efficiency (Diesel)

28 mpg highway

Available Specifications

Fuel Types and Requirements

Details about the recommended fuel types, octane ratings, and fuel additives for the Audi Q7

Recommended Fuel Types

Premium unleaded gasoline with an octane rating of 91 or higher
Diesel variants require ultra-low sulfur diesel (ULSD) with a cetane number of 51 or higher
Ethanol blends up to E10 (10% ethanol) are acceptable for gasoline engines
Avoid using fuels with methanol or MMT additives

Octane Rating Specifications

Minimum octane rating for gasoline engines: 87 AKI (Anti-Knock Index)
Optimal performance achieved with 91 AKI or higher
Diesel engines require a cetane number of at least 51
Using lower octane fuel may result in reduced performance and increased engine knocking

Note: Using fuel with an octane rating below 87 AKI may void the warranty.

Fuel System Components

Technical details about the fuel system components, including the fuel tank, fuel pump, and injectors

Fuel Tank Specifications

Fuel tank capacity: 26.4 gallons (100 liters)
Material: High-density polyethylene (HDPE) with anti-corrosion coating
Includes an integrated fuel filter and pressure regulator
Designed for a maximum fuel pressure of 87 psi (6 bar)

Fuel Injector Details

Direct fuel injection system with multi-hole injectors
Injector flow rate: 500 cc/min at 3 bar pressure
Operating voltage: 12V DC
Designed for precise fuel delivery and optimal combustion efficiency

Note: Regular cleaning of fuel injectors is recommended to maintain performance.

Fuel Efficiency and Emissions

Information about fuel efficiency, emissions standards, and environmental compliance

Fuel Efficiency Ratings

Gasoline models: 15 mpg city / 21 mpg highway
Diesel models: 19 mpg city / 28 mpg highway
Combined fuel efficiency: 17 mpg (gasoline) / 22 mpg (diesel)
Fuel consumption rate: 9.4 L/100 km (gasoline) / 7.1 L/100 km (diesel)

Emissions Compliance

Complies with Euro 5 and Euro 6 emissions standards
Equipped with a catalytic converter and diesel particulate filter (DPF)
CO2 emissions: 223 g/km (gasoline) / 185 g/km (diesel)
Meets U.S. EPA Tier 2 Bin 5 emissions requirements

Note: Regular maintenance of emissions systems is required to ensure compliance.

Fuel System Maintenance

Guidelines for maintaining the fuel system, including inspection intervals and common issues

Maintenance Intervals

Inspect fuel lines and connections every 15,000 miles (24,000 km)
Replace fuel filter every 30,000 miles (48,000 km)
Clean fuel injectors every 50,000 miles (80,000 km)
Check fuel tank for leaks and corrosion annually

Common Fuel System Issues

Clogged fuel injectors due to poor-quality fuel
Fuel pump failure caused by low fuel levels
Leaking fuel lines or connections
Reduced performance due to contaminated fuel

Note: Use only high-quality fuel to minimize maintenance issues.

Search Specifications

Search by specification name, value, or description

Component Specifications

Fuel Type

Recommended Fuel: Premium unleaded gasoline (91 AKI or 95 RON)

Minimum Octane Rating: 87 AKI (91 RON)

Ethanol Content: Up to 10% (E10)

Notes: Using fuel with higher ethanol content may void warranty and cause engine damage

Fuel Tank

Capacity: 26.4 gallons (100 liters)

Material: High-density polyethylene (HDPE)

Part Number: 4L0201101A

Pressure Rating: 3.6 psi (25 kPa)

Notes: Includes integrated fuel pump and level sensor

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 120 liters per hour (LPH)

Operating Pressure: 58 psi (400 kPa)

Part Number: 4L0919051B

Voltage: 12V DC

Notes: Includes integrated fuel filter

Fuel injectors

Type: Multi-hole solenoid injectors

Flow Rate: 200 cc/min at 3 bar

Operating Pressure: 58 psi (400 kPa)

Part Number: 06E906036C

Spray Pattern: 6-hole conical spray

Notes: Direct injection system for precise fuel delivery

Fuel Filter

Type: Integrated in-tank filter

Micron Rating: 10 microns

Replacement interval: Every 40,000 miles (64,000 km)

Part Number: 4L0127559A

Notes: Non-serviceable, requires fuel pump replacement

Fuel Pressure Regulator

Type: Mechanical diaphragm regulator

Operating Pressure: 58 psi (400 kPa)

Part Number: 06E127025A

Tolerance: +/- 2 psi (14 kPa)

Notes: Located on the fuel rail

Fuel Rail

Material: Stainless steel

Pressure Rating: 100 psi (690 kPa)

Part Number: 06E133201C

Notes: Includes integrated pressure sensor

Fuel Pressure Sensor

Type: Piezoresistive sensor

Operating Range: 0-100 psi (0-690 kPa)

Output Signal: 0.5-4.5V

Part Number: 06E906051K

Notes: Monitors fuel rail pressure for engine control

Fuel System Maintenance

injector Cleaning Interval: Every 30,000 miles (48,000 km)

Fuel System Flush interval: Every 60,000 miles (96,000 km)

Recommended Additives

Audi fuel system cleaner (part number: G001770M3)

Notes: Use only Audi-approved additives to avoid damage

Fuel System Diagnostics

Diagnostic Tool: VAS 5054A or equivalent

Error Codes

P0171
P0172
P0190
P0191
P0192
P0193

Pressure Test interval: Every 20,000 miles (32,000 km)

Notes: Check for leaks, pressure drops, and injector performance

Service Information Service

Detailed service requirements and schedules for the fuel system

10,000 miles

12 months

Inspect fuel lines and connections for leaks
Check fuel pressure
Inspect fuel injectors for proper operation

Use Audi-approved diagnostic tools for accurate readings

30,000 miles

36 months

Clean fuel injectors
Replace fuel filter (if applicable)
Inspect fuel tank for damage or leaks

Follow Audi-recommended cleaning procedures

60,000 miles

72 months

Perform fuel system flush
Replace fuel pump if necessary
Inspect and replace fuel pressure regulator if needed

Use only Audi-approved replacement parts

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2005-2015 Audi Q7?

The 2005-2015 Audi Q7 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 increased engine knocking.

What is the fuel tank capacity of the Audi Q7?

The fuel tank capacity of the 2005-2015 Audi Q7 is approximately 26.4 gallons (100 liters). This may vary slightly depending on the specific model and trim.

Can I use ethanol-blended fuel in my Audi Q7?

The 2005-2015 Audi Q7 can safely use ethanol-blended fuels with up to 10% ethanol (E10). However, fuels with higher ethanol content (e.g., E15 or E85) are not recommended as they can cause damage to the fuel system and engine components.

What is the fuel economy of the Audi Q7?

The fuel economy for the 2005-2015 Audi Q7 varies by engine type. For example, the 3.0L TFSI V6 engine achieves approximately 16 mpg in the city and 22 mpg on the highway, while the 4.2L FSI V8 engine achieves around 14 mpg in the city and 20 mpg on the highway.

How often should I replace the fuel filter on my Audi Q7?

Audi recommends inspecting the fuel filter every 20,000 miles and replacing it every 40,000 miles or as specified in the owner's manual. However, this interval may vary based on driving conditions and fuel quality.

What should I do if I accidentally use the wrong type of fuel?

If you accidentally use diesel in a gasoline engine or vice versa, do not start the engine. Contact an Audi-certified technician immediately to drain and flush the fuel system. Starting the engine with the wrong fuel type can cause severe 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 Q7 Owner's Manual

Coming Soon

The official owner's manual for the 2005-2015 Audi Q7, containing detailed information on fuel specifications, maintenance schedules, and safety guidelines.

Audi Fuel System Maintenance Guide

Coming Soon

A comprehensive guide on maintaining the fuel system of your Audi Q7, including fuel filter replacement and fuel injector cleaning procedures.

Audi Genuine Parts Catalog

Coming Soon

Access the official catalog for Audi genuine fuel system components, ensuring compatibility and optimal performance for your Q7.

Audi Fuel Efficiency Tips

Coming Soon

Learn how to maximize fuel efficiency and reduce emissions for your 2005-2015 Audi Q7 with these expert tips and driving techniques.

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