P0140 Diagnostic Trouble Code Discussion for May 2005
Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity
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| Help Request | Posted | |
| 2003 Chevrolet Silverado 2500 6.0L MIL Lamp on VIN: 1GCHC29U03 P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity. hey guys here's one I'm stumped on. code po140 recurring. have replaced 02 (bank 1 sensor 2) vehicle does have a slight intermittent miss on cylinder 1 and 2 (more 1 than 2). O2 will vary but only from 0-532. even at a raised idle. will not go higher while all... |
May 12, 2005 |
