2002 Ford Excursion Owner Guide 4th Printing - Page 11

Instrument Cluster Light is blinking: Engine misfire is occurring which could damage your catalytic converter. You should drive in a moderate fashion (avoid heavy acceleration and deceleration) and have your vehicle serviced at the first available opportunity. Under engine misfire conditions, excessive exhaust temperatures could damage the catalytic converter, the fuel system, interior floor coverings or other vehicle components, possibly causing a fire. Check fuel cap (if equipped) Illuminates when the fuel cap is not installed correctly. Check the fuel cap for proper installation. When the fuel filler cap is properly re-installed, the light(s) will turn off after a period of normal driving. Continuing to operate the vehicle with the check fuel cap light on, or a mis-installed fuel cap can activate the Service Engine Soon/Check Engine warning light. It may take a long period of time for the system to detect an improperly installed fuel filler cap. For more information, refer to Fuel filler cap in the Maintenance and specifications chapter. Check gage Illuminates when the engine coolant CHECK temperature is high, the engine oil GAGE pressure is low or the fuel gauge is at or near empty. Refer to Engine coolant temperature gauge, Engine oil pressure gauge or Fuel gauge in this chapter for more information. Brake system warning To confirm the brake system warning light is functional, it will momentarily illuminate when the ignition is turned to the ON position (alternatively for some vehicles when the ignition is moved from the ON position to START position, the light will momentarily illuminate prior to reaching the START 11