Audi Ambient Air Temperature Sensor - Genuine Audi 4B0820535

Product Information

An Ambient Air Temperature Sensor is a component used in vehicles to measure the temperature of the air outside the vehicle. This sensor typically works in conjunction with the engine control unit (ECU) and is crucial for various vehicle functions, including fuel management, engine performance, and climate control systems. The ambient air temperature reading can also influence how the vehicle's engine control system adjusts fuel mixture, ignition timing, and other parameters for optimal performance.

• Inaccurate Temperature Readings: If the sensor is malfunctioning, it may provide incorrect ambient temperature readings. This can lead to improper adjustments in fuel mixture and air intake, affecting engine performance
• Check Engine Light: A faulty ambient air temperature sensor can trigger the Check Engine light on the dashboard. Diagnostic trouble codes (DTCs) related to the sensor may be stored in the vehicle's onboard diagnostics system

About Genuine Audi

The original parts used by Audi to build your car are available as replacement parts under the “Genuine Audi” brand. Manufactured under the direction of Audi, expect excellent quality and a premium price since these parts are available exclusively through the Audi Dealership network.

You may not realize this, but the parts that make up your Audi are not necessarily manufactured by Audi. No cause for concern, as Audi designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for Audi for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine Audi parts box and find an OEM branded part inside, simply with the addition of an Audi logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.