G20 L4-2.0L (SR20DE) (1992)
^
Repeat this motion several times until the sensor begins to turn more easily.
6. Continue the tightening/loosening motion while gradually unscrewing the sensor. Stop when the sensor will not unscrew any further.
7. Spray with rust penetrant again for 2 to 3 seconds.
8. Repeat steps 6 and 7 until the sensor is removed.
9. Use compressed air to remove any metal debris from inside the boss threads.
CAUTION:
DO NOT perform this step if the procedure is being done on the vehicle (Method # 1). Doing so may cause metal debris to enter the engine
cylinders.
10. If metal debris remains trapped in the boss threads use a spiral nylon brush to remove it.
11. Spray the boss threads with rust penetrant for 2 to 3 seconds.
12. Run a thread chaser through the boss to clean the threads.
^Use Kent Moore part number J-43897-18 or J43897-12.
13. Use compressed air to remove any remaining debris.