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Home › Saab › 2006 › 9-7X 4.2i › Repair and Diagnosis › Engine Performance › System › Engine Controls - 4.2L - DTC P0135 To P0443 › DTC P0138 › Conditions For Setting The DTC

Conditions For Setting The DTC

The PCM detects that the HO2S 2 parameter is more than 1,042 mV.
DTC P0138 sets within 50 seconds when the above condition is set.