Audi Audi S6 2012-2018

Audi Audi S6 2012-2018 Fuel System Specifications

Detailed technical specifications and documentation for the fuel system of the 2012-2018 Audi S6, covering fuel type, fuel delivery system, injectors, pressure, and tank capacity. Essential for maintenance and repair.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2012-2018 Audi S6, including key features, measurements, and technical details. This section provides detailed information on fuel requirements, system components, and performance metrics.

How to Use

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

Navigate through the fuel documentation sections using the table of contents or by scrolling through the document. Each major section is labeled with a title and includes subsections for detailed information.

Key Specifications

Fuel Tank Capacity

19.8 gallons (75 liters)

Minimum Octane Rating

91 AKI

Fuel Pump Pressure

5.8 bar (84 psi)

Injector Operating Pressure

100-200 bar (1450-2900 psi)

Combined Fuel Economy

19 mpg (12.4 L/100 km)

Available Specifications

Fuel Requirements

This section covers the recommended fuel types, octane ratings, and additives for optimal performance and engine longevity.

Fuel Type and Octane Rating

Recommended fuel type: Premium unleaded gasoline
Minimum octane rating: 91 AKI (Anti-Knock Index)
For optimal performance, use 93 AKI or higher
Avoid using fuels with more than 10% ethanol (E10)
Do not use diesel or alternative fuels

Fuel Additives

Use only Audi-approved fuel additives
Avoid additives containing methanol or silicone
Additives should meet DIN EN 228 standards
Regular use of additives is not required for normal operation

Note: Using non-approved additives may void the warranty and damage the fuel system.

Fuel System Components

This section provides details on the fuel system components, including the fuel tank, fuel pump, injectors, and pressure specifications.

Fuel Tank and Pump

Fuel tank capacity: 19.8 gallons (75 liters)
Fuel pump type: Electric in-tank pump
Fuel pump pressure: 5.8 bar (84 psi)
Fuel tank material: High-density polyethylene
Fuel filter integrated into the fuel pump module

Fuel Injectors

Injector type: Direct injection (FSI)
Injector flow rate: 200 cc/min at 3 bar
Operating pressure: 100-200 bar (1450-2900 psi)
Injector material: Stainless steel with Teflon seals

Note: Ensure injectors are cleaned and inspected during regular maintenance.

Fuel System Performance

This section outlines the performance metrics of the fuel system, including fuel consumption, emissions, and efficiency.

Fuel Consumption

City driving: 15 mpg (15.7 L/100 km)
Highway driving: 26 mpg (9.0 L/100 km)
Combined fuel economy: 19 mpg (12.4 L/100 km)
Range: Approximately 376 miles (605 km) on a full tank

Emissions and Efficiency

CO2 emissions: 319 g/km
Complies with Euro 6 emissions standards
Fuel system efficiency: 98% under optimal conditions
Equipped with a catalytic converter and oxygen sensors

Note: Regular maintenance is required to maintain emissions compliance.

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Component Specifications

Fuel Type

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

Alternative Fuel: Regular unleaded gasoline (87 AKI or 91 RON) with reduced performance

Ethanol Content: Up to 10% ethanol (E10) allowed

Octane Rating: 91 AKI (Anti-Knock Index) minimum

Fuel Additives: Audi-approved fuel additives recommended for cleaning injectors

Fuel System

Fuel Delivery: Direct fuel injection (FSI)

Fuel Pump Pressure: 5.8 bar (84 psi)

Fuel Tank Capacity: 19.8 gallons (75 liters)

Fuel Filter Part Number: 4G0201511B

injector Part Number: 06E906036C

Fuel Consumption

City Mpg: 17 mpg

Highway Mpg: 27 mpg

Combined Mpg: 21 mpg

Co2 Emissions: 347 g/mile

Fuel Economy Tolerance: ±5%

Fuel Tank

Material: High-density polyethylene (HDPE)

Capacity: 19.8 gallons (75 liters)

Reserve Capacity: 2.6 gallons (10 liters)

Tank Pressure Sensor Part Number: 4G0906583A

Tank Vent Valve Part Number: 4G0201553A

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 150 liters/hour

Operating Voltage: 12V DC

Current Draw: 5.5A

Part Number: 4G0906091C

Fuel injectors

Type: High-pressure direct injectors

injection Pressure: 200 bar (2900 psi)

Spray Pattern: Multi-hole

Flow Rate: 14.5 cc/min at 3 bar

Part Number: 06E906036C

Fuel Pressure Regulator

Type: Mechanical diaphragm

Operating Pressure: 5.8 bar (84 psi)

Tolerance: ±0.2 bar

Part Number: 4G0906111A

Fuel Filter

Type: In-line cartridge filter

Filtration Rating: 10 microns

Replacement interval: Every 40,000 miles or 48 months

Part Number: 4G0201511B

Fuel System Maintenance

injector Cleaning Interval: Every 30,000 miles or 36 months

Fuel Filter Replacement interval: Every 40,000 miles or 48 months

Fuel Tank Cleaning Interval: Every 100,000 miles or 120 months

Fuel Pump inspection Interval: Every 60,000 miles or 72 months

Fuel System Diagnostics

Diagnostic Tool: Audi VAS 5051 or equivalent

Diagnostic Codes

P0171
P0172
P0174
P0175
P0190
P0191
P0192
P0193

Pressure Test Requirements: 5.8 bar ±0.2 bar

Leak Test Requirements: No visible leaks at 7 bar (101 psi) for 10 minutes

Service Information Service

Detailed service requirements and schedules for the fuel system

30,000

Inspect fuel injectors
Clean fuel injectors
Check fuel pressure

Use Audi-approved injector cleaner

40,000

Replace fuel filter
Inspect fuel lines for leaks
Check fuel pump operation

Replace with OEM fuel filter only

60,000

Inspect fuel pump
Check fuel tank for debris
Test fuel pressure regulator

Perform fuel system diagnostic scan

100,000

120

Clean fuel tank
Replace fuel pump if necessary
Inspect fuel injectors for wear

Replace fuel pump with OEM part if required

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2012-2018 Audi S6?

The 2012-2018 Audi S6 requires premium unleaded gasoline with an octane rating of 91 AKI (Anti-Knock Index) or higher. Using lower octane fuel may result in reduced performance and potential engine knocking.

What is the fuel tank capacity of the Audi S6?

The fuel tank capacity of the 2012-2018 Audi S6 is 19.8 gallons (75 liters). This allows for a balance between range and vehicle weight.

Can I use ethanol-blended fuel in the Audi S6?

The Audi S6 is compatible with ethanol-blended fuels containing up to 10% ethanol (E10). Using fuels with higher ethanol content, such as E85, is not recommended as it may cause damage to the fuel system and void the warranty.

What is the fuel economy of the Audi S6?

The 2012-2018 Audi S6 has an EPA-estimated fuel economy of 17 mpg in the city and 27 mpg on the highway. Actual fuel economy may vary based on driving conditions, load, and maintenance.

How often should I replace the fuel filter in the Audi S6?

The fuel filter in the Audi S6 is designed to last the lifetime of the vehicle under normal driving conditions. However, if you experience reduced performance or fuel delivery issues, consult an Audi service professional for inspection and potential replacement.

What happens if I use diesel fuel in the Audi S6?

Using diesel fuel in the Audi S6, which is designed for gasoline, can cause severe engine damage, fuel system contamination, and void the warranty. If diesel is accidentally used, do not start the engine and contact an Audi service center immediately.

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 S6 Owner's Manual

Coming Soon

The official owner's manual provides detailed information on fuel specifications, maintenance schedules, and safety warnings specific to the 2012-2018 Audi S6.

Audi Fuel System Maintenance Guide

Coming Soon

A comprehensive guide on maintaining the fuel system, including fuel filter inspection, fuel injector cleaning, and troubleshooting common fuel-related issues.

Audi Warranty and Service Information

Coming Soon

Detailed information on Audi's warranty coverage, including fuel system components, and the importance of using genuine Audi parts and authorized service centers.

Audi Fuel Efficiency Tips

Coming Soon

Practical tips to improve fuel efficiency, including driving habits, tire pressure maintenance, and the use of recommended fuels.

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