P0140 Diagnostic Trouble Code Discussion for December 2016
Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0140
| Help Request | Posted | |
| 2002 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEC14V72 P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity. I installed dealer sensor, same code came back. I installed front sensor from dealer same thing. Truck is keep very good condition, no missfires now or in history. Cat converter seems good did heat check and both banks are same. When i graph sensors they all 4... |
December 01, 2016 |
