O2 Sensor
Temperature of O2 sensor must be below 572°F (300°C). Check on/off ratio displayed on tester. If reading is constant 50%, O2 sensor is good and test is complete. If reading is constant 92%, O2 sensor is shorted out and must be replaced.
Temperature of O2 sensor must be below 572°F (300°C). Check on/off ratio displayed on tester. If reading is constant 50%, O2 sensor is good and test is complete. If reading is constant 92%, O2 sensor is shorted out and must be replaced.