Emission Control Abbreviations: "O"
- OBD
-
On-Board Diagnostic System
- PBD (F)/(P)
-
Full/Partial On-Board Diagnostic
- OC
-
Oxidation Catalytic Converter
- OHC
-
Overhead Cam
- ORVR
-
On-Board Refueling Vapor Recovery
- ORVR-COV
-
ORVR Cut-Off Valve
- ORVR-CV
-
ORVR Control Valve
- ORVR-FAV
-
ORVR Fresh Air Valve
- ORVR-FMV
-
ORVR Flow Management Valve
- ORVR-FTVCV
-
ORVR Fuel Tank Vapor Control Valve
- ORVR-FTVRV
-
ORVR Fuel Tank Vapor Recirculation Valve
- ORVR-FVRS
-
ORVR Fuel Vapor Recovery System
- ORVR-FVV
-
ORVR Fuel Vent Valve
- ORVR-LV
-
ORVR Leveling Valve
- ORVR-OCKV
-
ORVR Overfill Check Valve
- ORVR-RCV
-
ORVR Refueling Control Valve
- ORVR-VCV
-
ORVR Vapor Cut Valve
- ORVR-VRV
-
ORVR Vapor Recirculating Valve
- ORVR-VSV
-
ORVR Vent Shut Valve
- ORVR-VV
-
ORVR Vent Valve
- OVCV
-
Outer Vent Control Valve
- O2S
-
Oxygen Sensor