P0140 Diagnostic Trouble Code Discussion for September 2006
Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity
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| 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 |
