honda Workshop Repair Guides

Honda Workshop Service and Repair Manuals

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Primary HO2S and A/F Sensor Replacement|Page 2490 > < Primary HO2S and A/F Sensor Replacement

Civic L4-1668cc 1.7L SOHC MFI (2003)

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Oxygen Sensor: Service and Repair
Secondary HO2S Replacement

Secondary HO2S Replacement

Special Tools Required

O2 sensor wrench, Snap-on YA8875, SP Tools 93750, or equivalent, commercially available

NOTE:  The secondary HO2S and the third HO2S must be replaced together (D17A6 engine except '01 model)

1. Disconnect the secondary HO2S 4P connector (A), then remove the secondary HO2S (B).
2. Install the secondary HO2S in the reverse order of removal.

Primary HO2S and A/F Sensor Replacement|Page 2490 > < Primary HO2S and A/F Sensor Replacement