CHECK GAGES Warning Indicator
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The CHECK GAGES warning indicator monitors the coolant temperature and the engine oil pressure. The indicator will illuminate if the SCP coolant temperature data is missing or invalid, if the engine temperature reaches 121°C (249.8°F) or higher, or if the engine oil pressure is low.