The Aftermarket Podcast | Ep. 1 NOx Sensors Explained

Wondering how NOx sensors work and why they matter in today’s emission control systems? In this video, we break down the operation, applications, and proper maintenance of NOx (Nitrogen Oxide) sensors used in both gasoline and diesel engines. Learn how these sensors play a vital role in reducing harmful emissions, improving fuel economy, and ensuring compliance with EPA and CARB regulations. Whether you're a fleet technician, maintenance manager, or DIY mechanic, this guide will help you understand: How NOx sensors detect nitrogen oxides Where they’re located in the exhaust system Common failure symptoms Tips for replacement and preventative maintenance 🔧 Stay ahead of emissions issues and keep your vehicles running cleaner and more efficiently with this NOx sensor guide! #NOxSensor #EmissionsControl #DieselMaintenance #GasEngine #WalkerProducts #FleetMaintenance #SensorTech #AutomotiveSensors #VehicleDiagnostics #CleanEmissions