Check Engine Light Due to False Air Fuel Sensor Fault on Honda CR-V

Certain models can misinterpret air fuel sensor data and cause the Check Engine Light to illuminate. A software update from Honda will fix this issue.

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Average mileage: 135,000 (120,000–150,000)
4 model years affected: 2002, 2003, 2004, 2005
9 people reported this problem
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2004 Honda CR-V 150,000 mi,
They told me I needed a new O2 sensor (which is what this sounds like), and charged me $800 to repair it. I'm guessing from this feed that all that was really needed was a software update.