Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

1. 3-  A condition that affects multiple sensors indicates probable contamination. To avoid damage to new sensors, repair condition which caused contamination, before replacing sensor.
2. 5 -  This step checks for conditions which may cause HO2S to appear faulty. Correct any of the described conditions if present.
3. 8 -  To avoid damaging replacement sensors, correct condition which caused contamination before replacing suspect sensors.