626 LX L4-2.0L DOHC (1999)
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Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor Heater Inspection
1. Disconnect the heated oxygen sensor connector.
2. Measure the resistance between heated oxygen sensor terminals C and D for 4-pin connector or B and C for 3-pin connector by using an
ohmmeter.
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If not as specified, replace the heated oxygen sensor.
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If okay, inspect related harness or connectors.
Specification
Approx: 6 ohms