Witte2Performance
: Let's fix it
Home
>>
Chevrolet
>>
2005
>>
Classic
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System (DTC P0106-P0300)
>>
Diagnosis
>>
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.