the OBD test

Smog Check Program's Test Technology Californians getting a STAR smog check today may notice that the traditional tailpipe test used for many years has been replaced by a quicker, computer-based test for gasoline-powered cars model-year 2000 and newer, and for most diesel vehicles that are model-year 1998 and newer. it’s easy to find them by using a STAR smog check. 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 Program and further reduce air pollution. The Smog Check program removes hundreds of tons of smog-forming poll…