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How to detect the quality of automotive oxygen sensors

Nov 19,2018

Method 1: The resistor of the oxygen sensor (between the heater connector and the Iron column) can be checked with a multimeter, generally in 4-40 euros.

Method 2: Measure its feedback voltage, draw two wires from the oxygen sensor, then plug in the plug, the measuring device feedback voltage, the voltage change in 10s is generally greater than 8 times

Method 3: Observe the color of the oxygen sensor, the color of the top part of the general oxygen sensor is pale gray, while white, black, brown are abnormal

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