How 4 wire AFR sensor works? Wideband O2 sensor explained. Here you will find construction, connection with ECU and working principle of wide band O2 sensor. This sensor is used to measure not only rich or lean air fuel mixture but also the degree of richness and leanness. So ECM is able to maximize the vehicle performance.A/F sensor , A/F ratio sensor are also the other names of this O2 sensor.
This air fuel ratio sensor is also known as AFR sensor, Universal exhaust gas oxygen sensor UEGO, Wideband oxygen sensor, wide range oxygen sensor, broad band o2 sensor. This sensor is single celled oxygen sensor.
How Wide band 4 wire oxygen sensor works and how it is better than narrow band oxygen sensor. It is even better than 5 wire air fuel ratio sensor in terms of number of wires it uses.
4wire AFR sensor Working,4-wire air fuel ratio Wide-band O2 oxygen sensor wiring ECM. EFI Training.

#AFR #WideBandOxygenSensor #Air/FuelRatioSensor #AirFuelRatioSensor #A/F

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