Elantra GLS Wagon L4-2.0L (2000)
Harness Inspection Procedures (Step 1 - 3)
SENSOR INSPECTION
NOTE:
1. Before checking, warm up the engine until the engine coolant temperature reaches 80 to 95 °C (176 to 205 °F).
2. Use an accurate digital voltmeter.
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Replace the oxygen sensor if there is a malfunction.
1. Disconnect the heated oxygen sensor connector, and measure the resistance between terminal 3 and terminal 4.
2. Replace the oxygen sensor if there is a malfunction
Tightening torque
Heated oxygen sensor: 50 - 60 Nm (500 - 600 kg.cm, 37 - 44 lb.ft)