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Home >> Chevrolet >> 2005 >> Classic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC P0106-P0300) >> Diagnosis >> 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 met.

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