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Home >> Ford >> 2018 >> Taurus Limited, FWD, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Cooling - 2.0L DURATEC-He (129KW/175PS)) >> Diagnosis And Testing >> Engine Cooling >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices.

Condition Possible Sources Actions
Loss of coolant Refer to the Pinpoint Test GO to Pinpoint Test A 
The engine overheats. Refer to the Pinpoint Test GO to Pinpoint Test B 
The engine does not reach normal operating temperature. Refer to the Pinpoint Test GO to Pinpoint Test C 
The block heater does not operate correctly. Block heater power cable
Block heater
CHECK continuity in all 3 power cable circuits. If any circuit measures more than 5 ohms, INSTALL a new power cable.
CHECK the resistance of the block heater. If the resistance does not measure between 30 and 40 ohms, INSTALL a new block heater.
The electric cooling fan is inoperative in one or more speeds or does not operate correctly. Wiring
Relays
Fuses
Cooling fan motor
Cooling fan resistor
Refer to Engine Controls - Diagnostic Methods (Except Diesel & Hybrid) .
The electric cooling fan stays on all the time. Wiring
Relays
Refer to Engine Controls - Diagnostic Methods (Except Diesel & Hybrid) .
Noisy electric cooling fan operation. Foreign material contamination
Fan motor
REMOVE the foreign material from the cooling fan and shroud. TEST the system for normal operation. If still noisy, INSTALL a new cooling fan assembly. Refer to: Cooling Fan Motor and Shroud .
Fan blade detached from fan motor INSTALL a new cooling fan assembly. Refer to: Cooling Fan Motor and Shroud .