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Check Engine Light Due to Air Fuel Sensor Fault on Honda Accord

Problem Description and Possible Solution

The air/fuel sensor, located in the exhaust system, may be damaged by moisture in the exhaust resulting in illumination of the Check Engine Light. Replacing the damaged air/fuel sensor and updating the powertrain control module (PCM) software should correct this concern.

Problem Data
RepairPal Verified
Average mileage: 137,000 (115,000–155,000)
Exhaust & Emissions affected: 2.4L 4 Cylinder
5 model years affected: 2006, 2007, 2008, 2009, more2010
10 people reported this problem