In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...

Have your owner’s manual handy. Place your vehicle in “park,” or “neutral” for a manual transmission. Firmly set the parking brake. Download and install the manufacturer’s code reader app to your ...

Modern vehicles are rolling computers, with systems managed by embedded hardware and software designed to talk to the manufacturers' diagnostic tools locally and wirelessly. While this complexity can ...

We may receive a commission on purchases made from links. If you own a car built in 1996 or later for the U.S. market, the odds are overwhelming that it has an OBD port. You may have even noticed its ...