Audi RS3 RSQ3 F3 Petrol Exhaust Gas Temperature Sensor 8S0919519

Audi RS3 RSQ3 F3 Petrol Exhaust Gas Temperature Sensor is a precision engine control component designed specifically for petrol-powered units. As part of the Air and fuel intake sensors group, it is responsible for accurate exhaust gas temperature measurement, which supports proper engine control unit operation and stable performance parameters. Using an OEM component allows for a technically correct replacement of a worn sensor without interfering with the factory installation architecture.

Specifications and technical data

• SKU: 8S0919519
• Mark: Audi
• Condition: Used
• OEM Part Number: 8S0919519
• Substitutable numbers: 8S0919519, 8S0 919 519
• Fuel type: Petrol
• Category: Air Intake & Fuel Sensors

Function and role of the exhaust gas temperature sensor

The exhaust gas temperature sensor in petrol-powered RS3 and RSQ3 F3 versions operates in a demanding high-temperature environment, transmitting information to the engine control unit that is essential for controlling the fuel mixture and protecting exhaust system components. A properly functioning component:

• supports optimal fuel dosing across a wide range of loads,
• helps maintain stable engine performance parameters during dynamic driving,
• reduces the risk of overheating components in the exhaust area,
• facilitates the diagnosis of potential irregularities in engine operation.

Thanks to this, the petrol exhaust gas temperature sensor is a crucial element for maintaining the efficiency and repeatable performance of Audi sports models.

Compatibility and fitment for the petrol system

The presented sensor has been developed with petrol engines in mind, which means the measurement characteristics are matched to the combustion specifics of these units. Using an OEM component ensures:

• compatibility with factory engine control software,
• the correct temperature reading range under typical operating conditions,
• proper cooperation with other sensors in the intake and fuel area.

Such matching reduces the risk of diagnostic errors and unwanted messages in onboard systems, and also facilitates subsequent maintenance.

Benefits of using an original Audi sensor

Choosing a used, original Audi sensor for RS3 and RSQ3 F3 models allows you to maintain the consistency of the entire engine control system. Key advantages include:

• factory fitment to the wiring harness and exhaust system mounts,
• preservation of the original engine performance characteristics and load response,
• reduced risk of compatibility issues compared to aftermarket replacements of unknown origin.

For users expecting predictable engine behavior and proper cooperation with vehicle electronics, using an OEM component is a technically sound solution.

Practical installation and operating tips

When replacing the exhaust gas temperature sensor in a petrol engine, it is worth paying attention to the condition of the connectors, proper cable routing, and the cleanliness of the mounting socket. It is recommended to:

• perform computer diagnostics before and after installation,
• check other components in the intake and fuel area,
• use appropriate tightening torques in accordance with service documentation.

To better understand the relationships between sensor operation and engine power supply, the article describing the fuel system, available here, may be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expanding the sensor system in your Audi

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional temperature sensors, airflow measurement elements, or components related to fuel dosing, check the available parts in the Audi air and fuel intake sensors category.