Sonata GL V6-3.0L (1997)
2. Replace the oxygen sensor if there is malfunction.
3
.Apply battery voltage directly between terminal 3 and terminal 4.
NOTE: Take care when applying the voltage. Damage will result if the terminals are incorrect or are short circuited.
4. Connect a digital-type voltmeter between terminal 1 and terminal 2.
5. While repeatedly racing the engine, measure the oxygen sensor output voltage.
6. If there is a problem, there may be an oxygen sensor malfunction
Tightening torque
Heated oxygen sensor: 40-50 Nm (400-500 kg.cm, 29-36 lb.ft)
