Accord LX Sedan L4-2254cc 2.3L SOHC (VTEC) MFI (1998)
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Oxygen Sensor: Description and Operation
Primary HO2S
Primary HO2S (Heated Oxygen sensor)
The Primary Heated Oxygen Sensor (Primary HO2S) (Sensor 1) operates over a wide air/fuel range. The Primary HO2S (Sensor 1) is installed in the
exhaust manifold.
