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Home >> Buick >> 2006 >> Rainier 4.2 S, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L - DTC P0135 To P0418 >> DTC P0140 >> Conditions For Setting The DTC

Conditions For Setting The DTC

The PCM detects that the HO2S 2 parameter is between 425-473 mV.
DTC P0140 sets within 125 seconds when the above condition is met.

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