New Smog Check Inspections
Smog Check Program's Updated Test Technology
Californians getting Smog Check inspections today may notice that the traditional tailpipe test used for many years has been replaced by a quicker, computer-based test for gasoline-powered cars model-year 2000 and newer, and for most diesel vehicles that are model-year 1998 and newer.
This updated test uses the diagnostic capabilities of the vehicle's computer system instead of the traditional tailpipe probe to measure the vehicle's emissions. This On-Board Diagnostic (OBD) system gathers information and determines if the vehicle's emission control systems are operating properly. A visual inspection of emission control components is still required as well.
The OBD only method of testing vehicles is the result of 2010 legislation (AB 2289-Eng) which is designed to improve the Smog Check inspections Program and further reduce air pollution. The Smog Check program removes hundreds of tons of smog-forming pollutants from California's a…
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