The oxygen (O2) sensor is a vital automotive component that monitors oxygen levels in exhaust gases to ensure the engine’s air-fuel mixture is optimal for efficient combustion and reduced emissions. Positioned in the exhaust manifold or pipe, it generates a voltage signal—low (~0.1V) for lean mixtures with excess oxygen, and high (~0.9V) for rich mixtures—feeding data to the ECU for real-time adjustments that boost fuel economy and cut pollutants like HC, CO, and NOx. A faulty O2 sensor triggers

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Oxygen Sensor Removing & Cleaning and Refitting! #oxygen #oxygensensors #rxmechanic #carrepair #autorepair #FuelEfficiency | Rx Mechanic

Pulling an O2 sensor out of a rusty exhaust without destroying the threads Heat it up with the induction tool, let it expand, then crack it loose nice and smooth #mechaniclife #o2sensor #exhaustwork #inductionheater #rustedbolts #carrepair #workshoptips #wrenchlife #garagetools #fyp #tools #mechanic #automotive | CarHax

How to Install an Oxygen Sensor (O2 Sensor) - Step by Step Guide😳☺️ | Mechanic Repair Team