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Home >> Lincoln >> 2021 >> Aviator Base, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> DTC Index (Anti-Lock Brake System And Stability Control - Exterior Lighting System) >> Engine Cooling System DTCS >> 3.0L EcoBoost
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3.0L EcoBoost

WARNING: Before beginning any service procedure in this information, refer to Safety Warnings in General Information. Failure to follow this instruction may result in serious personal injury.
NOTE: Use the correct coolant. Do not mix coolant types. Mixing coolant types may degrade the coolant corrosion protection and may damage the engine or cooling system. For the correct coolant specified for this vehicle, refer to SPECIFICATIONS

REFER to: Health and Safety Precautions .

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

DTC Description Action
P0125: 00 Insufficient Coolant Temp For Closed Loop Fuel Control: No Sub Type Information GO to Pinpoint Test C
P0128: 00 Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature): No Sub Type Information GO to Pinpoint Test C
P0217: 00 Engine Coolant Overtemperature Condition: No Sub Type Information GO to Pinpoint Test B
P1299: 00 Cylinder Head Overtemperature Protection Active: No Sub Type Information GO to Pinpoint Test B