What does the check engine light mean? on 2005 Lincoln Navigator

The check engine light came on . it has 108,000 miles.

by in Jacksonville, FL on March 02, 2010
1 answer
ANSWER by on March 03, 2010
This light indicates that a component or system in your emission controls is not working properly. There is an article about it here: http://repairpal.com/check-engine-light