Villager V6-181 3.0L SOHC VIN 1 EFI (1997)
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Oxygen Sensor: Locations
OBD-II Heated Oxygen Sensor Numbering Convention
The first oxygen sensor in cylinder bank #1 is numbered HO2S11.
The second oxygen sensor in cylinder bank #1 is numbered HO2S12.
Note: Cylinder bank number one is the bank that contains the number one cylinder.