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 ...

Your vehicle has a problem if the check engine light (CEL) glows. Diagnostic trouble codes (DTCs) stored in the computer help find the cause.

A new combination of iPhone app and plug-in adapter from Automatic to read data from your car's onboard diagnostics (OBD) port turns virtually any car manufactured after 1996 into a connected car, ...