Onboard diagnostics (OBD) systems have been around since the 1980s and were developed to help limit harmful automotive exhaust emissions. Between 1988 and 1995, U.S.-built vehicles came with what's ...

Toyota says that some 2003-04 Corolla and Matrix 2WD models, as well as 2005 Matrix 4WD vehicles, may turn on the Check Engine light and log EVAP system codes P0440, P0441, P0442, P0446 and/or P0456 ...