Quote:
Originally Posted by glatt
I guess that means the oxygen sensor is OK?
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Most likely, yes. But again, described was how to make some code reported. Some codes will not be reported unless a defect is seen in multiple and consecutive restarts.
Most O2 sensor failures I have seen get reported by diagnostics long before it causes engine roughness or lower gasoline mileage. And again, gasoline mileage is an important parameter in locating these intermittent type problems. Some defects will cause mileage reduction. Others will not.