G20 L4-2.0L (SR20DE) (1992)
2. Spray the sensor with the rust penetrant for 2 to 3 seconds.
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It is important that the spray is directed at the base of the sensor to ensure it penetrates into the threads.
3. Loosen the sensor approximately 10 degrees.
4. Spray with rust penetrant again for 2 to 3 seconds.
5. Tighten the sensor 10 degrees then loosen the sensor 10 degrees.