P0146 Diagnostic Trouble Code Discussion for October 2008
Heated Oxygen Sensor (Bank 1 Sensor 3) Insufficient Activity
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| Help Request | Posted | |
| 2000 Mazda MPV DX 2.5L MIL Lamp on VIN: JM3LW28G7Y P0146: Heated Oxygen Sensor (Bank 1 Sensor 3) No Activity Detected. has a code for rear o2 po146 no activity for after cat o2, scan test reading at .75mv not switching. replaced o2 with a universal bosch, still not switching. key on engine off the other three sensors are at 0 mv and the after cat is still .75mv. tested all wir... |
October 30, 2008 | |
| 2000 Mazda MPV DX 2.5L MIL Lamp on VIN: JM3LW28G7Y P0146: Heated Oxygen Sensor (Bank 1 Sensor 3) No Activity Detected. has a code for rear o2 po146 no activity for after cat o2, scan test reading at .75mv not switching. replaced o2 with a universal bosch, still not switching. key on engine off the other three sensors are at 0 mv and the after cat is still .75mv. tested all wir... |
October 31, 2008 |
