2023 with complete solution
PPM
Hydrocarbons are measured in:
Percentage
Carbon Monoxide is measured in:
EGR
Exhaust Gas Recirculation
HC
Hydrocarbons
CO
Carbon Monoxide
CO2
Carbon Dioxide
O2
Oxygen
NOx
Oxides of Nitrogen
TWC
Three Way Catalyst
OC
Oxydation Catalyst
1998+
Diesel vehicles receive a smog inspection
1976-1999
Gasoline vehicles receive a BAR97 inspection
2000+
Gasoline vehicles receive an OIS inspection
1996+
Vehicles receive an OBD2 functional test
ASM
Enhanced area inspection for 1999 and older vehicles compatible with a 2WD
dynamometer
TSI
Basic and Change of Ownership area inspection for all 1999 and older vehicles, and
Enhanced area inspection for 1999 and older vehicles NOT compatible with a 2WD
dynamometer
Missing (S) BAR97 only
All or part of an emissions control system or component which has been removed from
the vehicle or engine.
Modified (M) BAR97 only
If an emission control system or component:
•Has been disabled even though it is present and properly connected to the engine
and/or vehicle;