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P0140 Diagnostic Trouble Code Discussion for June 2009

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity


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Trouble Ticket Help Requests for DTC P0140
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
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