posterl.qxd 9/3/2002 4:42 PM Page 1
                                          Get   On  Board!
                                    Give your vehicle a clean bill of health,
                                                                                                    What Is the Check
                                                                                                    Engine Light?
                                                                                                     Your Check Engine light
                                                                                                     is an integral part of your
                                                                                                     car or truck's on-board
                                                                                                     diagnostic (OBD) system.
                                                                                                     OBD monitors your
                                                                                                     vehicle's performance
                                                                                                     and lets you know if
                                                                                                     there is a problem with
                                                                                                     your vehicle's engine or
                                                                                                     emissions control system.
                                                                                                     Many states now use
                                                                                                     OBD technology for
                                                                                                     fast, accurate vehicle

                                                                                                    How Does the Check
                                                                                                    Engine Light Help Me?
                                                                                                    Making sure you service your
                                                                                                    car or truck whenever the
                                                                                                    Check Engine light is illumi-
                                                                                                    nated can help you:
                                                                                                      Prevent costly repairs later.
                                                                                                      Improve your vehicle's
                                                                                                       fuel economy.
                                                                                                      Ensure your vehicle is
                                                                                                       ready to pass a vehicle
                                                                                                      Protect the environment.
                  For more information, visit . To request a copy of this poster, contact the National Service Center for Environmental Publications at 1-800-490-9198 and ask for the following document number: EPA420-E-02-001.