Audi Audi S4 2016-present

Audi Audi S4 2016-present Fuel System Specifications

Detailed technical specifications and guidelines for the fuel system of the 2016-Present Audi S4. Learn about fuel type requirements, fuel delivery system components, and maintenance best practices.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the fuel specifications for the 2016-Present Audi S4, including key features, measurements, and technical details

How to Use

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

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 Type

Premium unleaded (91 AKI/95 RON)

Fuel Tank Capacity

58 liters (15.3 gallons)

Fuel Pressure

Up to 200 bar (2900 psi)

CO2 Emissions

164 g/km (combined cycle)

Fuel Efficiency

7.3 L/100 km (32.2 mpg)

Available Specifications

Fuel Type and Quality

Details about the recommended fuel type, quality standards, and performance requirements for the Audi S4

Recommended Fuel Type

Premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher
Lower octane fuels may be used but can result in reduced performance and efficiency
Do not use gasoline with methanol content exceeding 10%
Ethanol blends up to E10 (10% ethanol) are acceptable

Fuel Quality Standards

Complies with EN 228 European fuel standard
Must meet ASTM D4814 specifications for gasoline
Avoid fuels with metallic additives or high sulfur content
Ensure fuel is free from contaminants and water

Note: Using substandard fuel may void the vehicle's warranty and damage the engine.

Fuel System Specifications

Technical details about the fuel system, including capacity, pressure, and delivery mechanisms

Fuel Tank Capacity

Total fuel tank capacity: 58 liters (15.3 gallons)
Reserve fuel capacity: 8 liters (2.1 gallons)
Fuel tank material: High-density polyethylene
Fuel tank design: Optimized for weight reduction and crash safety

Fuel Delivery System

Direct fuel injection system with multi-hole injectors
Fuel pressure: Up to 200 bar (2900 psi)
High-pressure fuel pump driven by the camshaft
Electronic fuel pressure regulation for precise control

Note: The direct injection system ensures optimal combustion efficiency and reduced emissions.

Emission and Efficiency Standards

Information about the vehicle's compliance with emission standards and fuel efficiency metrics

Emission Compliance

Meets Euro 6d-TEMP emission standards
Equipped with a gasoline particulate filter (GPF)
NOx emissions: Less than 60 mg/km
CO2 emissions: 164 g/km (combined cycle)

Fuel Efficiency

Combined fuel consumption: 7.3 L/100 km (32.2 mpg)
Urban fuel consumption: 9.8 L/100 km (24 mpg)
Extra-urban fuel consumption: 6.0 L/100 km (39.2 mpg)
Range: Approximately 794 km (493 miles) on a full tank

Note: Fuel efficiency may vary based on driving conditions and style.

Search Specifications

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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: Minimum 91 AKI (Anti-Knock Index)

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

Fuel System

Fuel Delivery: Direct injection (FSI)

Fuel Pump Pressure: 5.8 bar (84 psi)

Fuel Tank Capacity: 15.3 gallons (58 liters)

Fuel Filter Part Number: 4G0201511B

injector Type: High-pressure solenoid injectors

Fuel Consumption

City Mpg: 21 mpg

Highway Mpg: 30 mpg

Combined Mpg: 24 mpg

Co2 Emissions: 227 g/km

Fuel Economy Tolerance: ±2% under standard testing conditions

Fuel Tank

Material: High-density polyethylene (HDPE)

Capacity: 15.3 gallons (58 liters)

Reserve Capacity: 2.1 gallons (8 liters)

Tank Part Number: 8W0201101A

Ventilation System: Closed-loop evaporative emission control system

Fuel Pump

Type: Electric in-tank fuel pump

Flow Rate: 120 liters per hour (LPH)

Operating Pressure: 5.8 bar (84 psi)

Part Number: 4H0919051C

Voltage: 12V DC

Current Draw: 5.5 amps

Fuel injectors

Type: High-pressure solenoid injectors

Flow Rate: 14.5 cc/min at 3 bar

Operating Pressure: Up to 200 bar (2900 psi)

Part Number: 06E906036C

Spray Pattern: Multi-hole conical spray

Fuel Pressure Regulator

Type: Mechanical diaphragm regulator

Operating Pressure: 5.8 bar (84 psi)

Part Number: 06E127025A

Location: Integrated into the fuel rail

Tolerance: ±0.2 bar

Fuel Rail

Material: Aluminum alloy

Part Number: 06E133201H

Pressure Sensor Part Number: 06E906051K

Pressure Sensor Range: 0-200 bar (0-2900 psi)

Mounting Torque: 9 Nm (80 in-lb)

Fuel Filter

Type: In-line cartridge filter

Part Number: 4G0201511B

Filter Micron Rating: 10 microns

Replacement interval: Every 40,000 miles or 4 years

Location: Underbody, near fuel tank

Diagnostic Specifications

Fuel Pressure Sensor Range: 0-200 bar (0-2900 psi)

Fuel Pump Control Module Part Number: 8K0906093B

Diagnostic Trouble Codes

P0087 - Fuel Rail/System Pressure Too Low
P0088 - Fuel Rail/System Pressure Too High
P0171 - System Too Lean (Bank 1)
P0172 - System Too Rich (Bank 1)

Diagnostic Tool: Audi VAS 6154 or equivalent

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 filter for contamination
Verify fuel pressure using diagnostic tool

Use Audi-approved diagnostic tools for accurate readings

40,000 miles

48 months

Replace fuel filter
Inspect fuel injectors for clogging
Perform fuel system cleaning using Audi-approved additives

Fuel injector cleaning may require specialized equipment

100,000 miles

120 months

Replace fuel pump if performance issues are detected
Inspect fuel tank for damage or leaks
Replace fuel pressure regulator if necessary

Fuel pump replacement requires dropping the fuel tank

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of fuel is recommended for the 2016-Present Audi S4?

The 2016-Present Audi S4 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 engine knocking.

Can I use ethanol-blended fuel in my Audi S4?

Yes, the Audi S4 can use ethanol-blended fuels containing up to 10% ethanol (E10). However, fuels with higher ethanol concentrations, such as E15 or E85, are not recommended as they may cause engine damage and void the warranty.

What is the fuel tank capacity of the Audi S4?

The fuel tank capacity of the 2016-Present Audi S4 is 15.3 gallons (58 liters). This provides a balance between range and vehicle weight for optimal performance.

Does the Audi S4 have a fuel economy monitoring system?

Yes, the Audi S4 is equipped with an advanced fuel economy monitoring system that provides real-time data on fuel consumption, average MPG, and range. This system is accessible through the Audi Virtual Cockpit or MMI display.

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

If you accidentally use fuel with an octane rating below 91 AKI or a high ethanol blend, avoid driving the vehicle and contact an Audi service center immediately. Running the engine with improper fuel can cause severe damage and void the warranty.

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 Fuel System Maintenance Guide

Coming Soon

Learn about proper fuel system maintenance, including fuel filter replacement and injector cleaning, to ensure optimal performance and longevity.

Understanding Octane Ratings and Fuel Types

Coming Soon

A detailed explanation of octane ratings, ethanol blends, and their impact on engine performance and efficiency.

Audi S4 Owner's Manual - Fuel Section

Coming Soon

Access the official Audi S4 owner's manual for comprehensive information on fuel requirements, refueling procedures, and fuel-related warnings.

Fuel Additives and Their Effects on Audi Engines

Coming Soon

Explore the use of fuel additives, their benefits, and potential risks for Audi engines, including the S4's turbocharged V6.

About the Author

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