Civic LX Sedan L4-1590cc 1.6L SOHC MFI (1998)
a. Disconnect the primary H02S connector then remove the primary H02S.
2. Install the primary H02S in reverse order of removal.
SECONDARY H02S:
1. Remove the secondary H02S.
D16Y5, D16Y7 Engines:
a. Disconnect the secondary H02S connector, then remove the secondary H02S.
