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 ...

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 ...

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