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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Engine Cooling System -- F250-F550 Super Duty) >> Diagnosis And Testing >> Engine Cooling >> Pinpoint Tests >> Pinpoint Test C: The Engine Does Not Reach Normal Operating Temperature

Pinpoint Test C: The Engine Does Not Reach Normal Operating Temperature

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. C1 CHECK THE ENGINE TEMPERATURE 
    • Key in START position.
      • NOTE: If the engine is a diesel, drive for 20 minutes in 2nd gear to open the thermostat.
    • For a gas engine, start the engine and allow the engine to idle for 10 minutes.
    • Feel the inlet heater hose and the underside of the upper radiator hose.
    • Are the upper radiator hose and the inlet heater hose cold? 
    • Yes  : INSTALL a new coolant thermostat. TEST the system for normal operation.
    • No  : REFER to INSTRUMENT CLUSTER for diagnosis and testing of the engine coolant temperature gauge.
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