Check Engine Light Operation/Troubleshooting: Overview/Purpose

This section exists to verify that the "CHECK ENGINE" light is working properly, and what to do if it doesn't. Proceed to the CHECK ENGINE LIGHT FUNCTIONAL TEST  section (below) to begin.

If you desire to retrieve trouble codes and are looking for a place to start, proceed to the RETRIEVING TROUBLE CODES  section. It will direct you here if there is a fault with the "CHECK ENGINE" light.