Detection and Reparation of Oxygen Sensor Circuit Malfunction

In the technical information the reader can learn explanation like data, ignition switch, reaction, zirconia element, catalytic converter, condition, oxygen, injection volume, and hand–held tester. The technical information tells us explanation such as engine, switch, heater, sensor, oxygen sensor output, output voltage, sensor circuit, and volume.

 detection and reparation of oxygen sensor circuit malfunction page1 7633895  Detection and Reparation of Oxygen Sensor Circuit Malfunction  detection and reparation of oxygen sensor circuit malfunction page2 7633895  Detection and Reparation of Oxygen Sensor Circuit Malfunction  detection and reparation of oxygen sensor circuit malfunction page3 7633895  Detection and Reparation of Oxygen Sensor Circuit Malfunction

Many discussion related to concentration, oxygen sensor circuit, heated oxygen sensor, detection, injection, trouble, circuit, and malfunction are presented in the technical information. Below are grabbed from this technical information:

To obtain a high purification rate for the CO, HC and NOx components of the exhaust gas, a three–way catalytic converter is used, but for the most efficient use of the three–way catalytic converter, the air–fuel ratio must be precisely controlled so that it is always close to the stoichiometric air–fuel ratio. The oxygen sensor has the characteristic whereby its output voltage changes suddenly in the vicinity of the stoichiometric air–fuel ratio. This is used to detect the oxygen concentration in the exhaust gas and provide feedback to the computer for control of the air–fuel ratio. When the air–fuel ratio becomes LEAN, the oxygen concentration in the exhaust increases and the oxygen sensor informs the ECM of the LEAN condition (small electromotive force: < 0.45 V). When the air–fuel ratio is RICHER than the stoichiometric air–fuel ratio the oxygen concentration in the exhaust gas in reduced and the oxygen sensor informs the ECM of the RICH condition (large electromotive force: > 0.45V).

Also, the technical information explains more things like voltage, connector, output, electromotive force, platinum electrode, control, oxygen sensor, and heated oxygen.

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