This is a genuine VAG Exhaust Gas Temperature Sensor, part number 03L906088HE. It plays a crucial role in your vehicle's emissions control system by providing real-time data on exhaust gas temperatures to the engine control unit (ECU). Accurate temperature readings are essential for the ECU to make precise adjustments to fuel injection, ignition timing, and exhaust gas recirculation (EGR) systems. This ensures your engine operates efficiently, minimizes harmful emissions, and helps prevent damage to critical exhaust components like the diesel particulate filter (DPF) or catalytic converter. Designed and manufactured to VAG's stringent quality standards, this sensor guarantees reliable performance and a precise fit for compatible VAG models. Replacing a faulty sensor is vital for maintaining your vehicle's performance, fuel economy, and compliance with emissions regulations.
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