The Oxygen Sensor (O2) checks the amount of oxygen in the exhaust, compared to the amount in the air. It feeds that information to the engine computer, which then adjusts the amount of fuel and air intake.
(O2) Oxygen Sensors – Function, Failure Symptoms, And Testing
EVERY VEHICLE BUILT SINCE THE EARLY 1980’s, HAS ONE OR MORE (O2) OXYGEN SENSORS INTEGRATED INTO THE EXHAUST SYSTEM. So, (O2) oxygen sensors, confirm, that the proper air/fuel ratio, is actually reaching the engine. Consequently, […]