P0146 OBD Trouble Code

1 result found

P0146 - GM
Type	Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description	HO2S Insufficient Activity Conditions
Location	Bank 1 Sensor 3
Cause	No PCM or TCM codes set, engine runtime over 4 minutes, then the PCM detected the HO2S-13 signal remained from 425-475 mv, condition met for over 50 seconds