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Home >> Ford >> 2020 >> Fusion Titanium Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 73 (Engine Controls - Powertrain DTC Descriptions (Except Diesel & Hybrid) - DTC P0001 - P0238) >> DTC P0125 - Insufficient Coolant Temp For Closed Loop Fuel Control

DTC P0125 - Insufficient Coolant Temp For Closed Loop Fuel Control

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DTC DESCRIPTION P0125 - INSUFFICIENT COOLANT TEMP FOR CLOSED LOOP FUEL CONTROL

Description:  This DTC sets when the engine coolant temperature (ECT) or the cylinder head temperature (CHT) sensor has not achieved the required temperature level to enter closed loop operating conditions within a specified amount of time after starting the engine.
Possible Causes: 
  • Insufficient warm up time
  • Low engine coolant level
  • Leaking or stuck open thermostat
  • Damaged ECT sensor
  • Damaged CHT sensor
Diagnostic Aids:  Compare the thermostat specification to the actual engine coolant temperature using the engine temperature PID (ECT or CHT). The temperature reading should be similar when the engine is at a normal operating temperature.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Continental 2.0L, GO to PINPOINT TEST DX .
Continental 2.7L,  
Continental 3.0L,  
Corsair,  
EcoSport 1.0L,  
EcoSport 1.5L,  
EcoSport 2.0L,  
Edge,  
Escape/Kuga,  
Explorer,  
Fusion 1.5L,  
Fusion 2.0L,  
Fusion 2.7L,  
KA,  
MKZ,  
Mustang 2.3L,  
Nautilus,  
Ranger,  
Transit Connect  
All others GO to PINPOINT TEST DL .