P2A01 Diagnostic Trouble Code Discussion for April 2015
Heated Oxygen Sensor (Bank 1 Sensor 2) Closed Loop Performance
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| Help Request | Posted | |
| 2007 GMC Sierra 3500 Classic WT 6.0L no drivability issue VIN: 1GDJK34U67 P2A01: Heated Oxygen Sensor (Bank 1 Sensor 2) Closed Loop Performance. Thanks in advance. I can clear these codes and they will usually reset within 300-500 miles. I have test driven with fuel pressure gauge, pressure never drops below 62 psi. We are located at an elevation of 9200 feet. After checking iatn archives noted possibl... |
April 28, 2015 |
