The P0443 code indicates that your vehicle’s engine control module (ECM) has detected that there is an electrical malfunction in the purge control valve circuit, which is part of the EVAP (Evaporative ...

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 ...