Diagnosing and Replacing a Faulty Oxygen (O2) Sensor
The oxygen (O2) sensor is a critical component in a vehicle’s engine management system, responsible for monitoring the air-fuel ratio and providing feedback to the engine control module (ECM) or powertrain control module (PCM). When an O2 sensor fails, it can lead to a variety of issues, including poor fuel economy, rough engine idle, misfiring, … Read more