P0140 Diagnostic Trouble Code Discussion for June 2009
Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity
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| Help Request | Posted | |
| 2001 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C01 P0140: o2 sensor b1s2. van came in with check engine light on and found both a/f sensor codes and rear o2 code.Reset light and light comes right back on with the same a/f sensor codes.Dont even have to drive or turn key off and on when light comes on.Fuse and relay okay have power t... |
June 25, 2009 |
