Civic EX Sedan L4-1668cc 1.7L SOHC (VTEC) MFI (2001)
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Oxygen Sensor: Description and Operation
Air Fuel (A/F) Ratio Sensor
Air Fuel Ratio (A/F) sensor (D17A6 engine)
The A/F sensor operates over a wide air/fuel range. The A/F sensor is installed in the exhaust manifold.
