@trqautoparts: The NOx sensor plays a critical role in your vehicle's emissions system. In this Auto Parts 101 video, we explain what a NOx sensor does, how it measures nitrogen oxide emissions, and why it's important for modern emissions systems. Understanding how a NOx sensor works can help make emissions-related warning lights, drivability concerns, and engine diagnostics easier to understand. #trq #trqautoparts

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Monday 29 June 2026 20:29:01 GMT