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P0140 Diagnostic Trouble Code Discussion for September 2006

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity


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Trouble Ticket Help Requests for DTC P0140
Help Request Posted
1997 Ford Aspire 1.3L MIL Lamp on VIN: KNJLT06H2V
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) No Activity Detected. Code P0140 - B1S2 sensor low activity. Scanned it and found voltage fixed at 1.25V. Disconnected sensor and voltage went to about 6V on scanner, voltmeter attached to harness connector agrees. Disconnected computer with O2 still disconnected and voltage jumps ...
September 21, 2006
1997 Ford Aspire 1.3L MIL Lamp on VIN: KNJLT06H2V
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) No Activity Detected. Code P0140 - B1S2 sensor low activity. Scanned it and found voltage fixed at 1.25V. Disconnected sensor and voltage went to about 6V on scanner, voltmeter attached to harness connector agrees. Disconnected computer with O2 still disconnected and voltage jumps ...
September 21, 2006