P0140 Diagnostic Trouble Code Discussion for January 2016
Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity
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| Help Request | Posted | |
| 2006 Hyundai Sonata GLS 3.3L Hesitation, MIL Lamp on VIN: 5NPEU46F56 P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) No Activity Detected. We have a huge list of codes. See list. Mostly O2 heater and inactivity. We watch all the sensors working and then all of a sudden fuel trim goes to 0, all 4 O2's max to 1102mv and the heaters turn off. It also goes into open loop. We believe that it may have ... |
January 07, 2016 | |
| 2009 Volkswagen CC Luxury 2.0L MIL Lamp on VIN: WVWHL73C29 P0140: B1S2 no activity detected. First I checked live data. Data block 41 showed no value for the B1S2 heater's resistance. The heater was not turning on either according to field 4. B1S1 showed 510 ohms with the heater off and dropped to 300 ohms when heater was on. B1S2 signal is stuck at .... |
January 11, 2016 |
