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P0140 Diagnostic Trouble Code Discussion for January 2009

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity


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Trouble Ticket Help Requests for DTC P0140
Help Request Posted
1997 Chevrolet C1500 4.3L Hesitation, Cuts out VIN: 1GCEC14W8V
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity. this truck cuts out just off idle on accel when the vehicle is cold. This happens even if the engine is at operating temp. When you go to accelerate the engine it will just cut out and backfire, let go of the throttle and it will idle perfectly. The truck star...
January 02, 2009
1998 Nissan Sentra 1.6L MIL Lamp on VIN: IN4AB41D3W
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected. ... a recurring p0140 code. I have checked ground wires, traced all wires to and from the rear o2 and ecu...all good. I have replaced both o2 sensors, and the rear o2 twice, maybe bad sensor. I have spliced out the factory wiring harness to the rear o2 because...
January 06, 2009
1997 Chevrolet C1500 4.3L Hesitation, Cuts out VIN: 1GCEC14W8V
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity. this truck cuts out just off idle on accel when the vehicle is cold. This happens even if the engine is at operating temp. When you go to accelerate the engine it will just cut out and backfire, let go of the throttle and it will idle perfectly. The truck star...
January 02, 2009
1998 Nissan Sentra 1.6L MIL Lamp on VIN: IN4AB41D3W
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected. ... a recurring p0140 code. I have checked ground wires, traced all wires to and from the rear o2 and ecu...all good. I have replaced both o2 sensors, and the rear o2 twice, maybe bad sensor. I have spliced out the factory wiring harness to the rear o2 because...
January 06, 2009