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P2270 Diagnostic Trouble Code Discussion for November 2014

Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Lean


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Trouble Ticket Help Requests for DTC P2270
Help Request Posted
2008 Chevrolet Colorado LT 3.7L Evap, O2 monitors VIN: 1GCDT13E18
P2270: B1S2 O2 Sensor signal stuck lean. Having trouble getting O2 or Evap monitor to run, all I need is one more monitor ready for the IEPA emissions test. I first tried by letting the Evap monitor run naturally which runs the first part consistently and also runs the key off portion, I am able to...
November 16, 2014
2008 Chevrolet Colorado LT 3.7L Evap, O2 monitors VIN: 1GCDT13E18
P2270: B1S2 O2 Sensor signal stuck lean. Having trouble getting O2 or Evap monitor to run, all I need is one more monitor ready for the IEPA emissions test. I first tried by letting the Evap monitor run naturally which runs the first part consistently and also runs the key off portion, I am able to...
November 17, 2014