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2002
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Civic EX Sedan L4-1668cc 1.7L SOHC (VTEC) MFI
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Oxygen Sensor
Oxygen Sensor
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Description and Operation
Primary Oxygen Sensor
Air Fuel (A/F) Ratio Sensor
Secondary Heated Oxygen Sensor (Secondary HO2S)
Third Heated Oxygen Sensor (Third HO2S)
Locations
Component Locations
Connector Locations
Service and Repair
Primary HO2S and A/F Sensor Replacement
Secondary HO2S Replacement
Third HO2S Replacement
Diagrams
Specifications