Quote:
Originally Posted by Apoc
P2097 is coming from your post cat heated oxygen sensor. The ECU is doing a second check on the oxygen level in the exhaust to adjust LTFT once you are in closed loop. The code is triggered when it detects continuous o2 readings higher than expected. I would check for leaks near or at the sensor also. I would wait and see if the code comes back.
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I rechecked the O2 sensor this morning. And was under the car within the last month. Did not see any leaks near the O2 sensor. I'm perplexed.