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    Engine coolant overheating alarm in my 2019 Ford Ranger

    Ford Ford Advice Ford Ranger Ford Ranger Advice Ford Ranger 2019

    I am experiencing an engine coolant overheating alarm in my 2019 Ford Ranger 2.0 10AT, what might be cause of it and how to fix it?

    Answered by CarsGuide
    26 July 2024
    David Morley

    Start with the basics. Is the coolant level correct (and the radiator overflow tank intact)? Are the fan belts that drive the water pump tight and not slipping? Is the electric fan turning on? Is the second electric fan turning on with the air conditioning? Are the radiator hoses in good condition and not collapsing when you rev the engine? Are the car’s brakes dragging and causing the engine to work harder than it should? Is the radiator clean and flowing properly? Is the radiator cap holding the correct pressure? Is there a build-up of mud, bugs and grass on the radiator’s surface? All these things can lead to overheating.

    If all that checks out, you might have to dig a bit deeper, including a check of whether the water pump is pulling its weight (and not worn internally) whether the thermostat is operating correctly and even a test to see whether the head gasket has failed. Ford’s Ranger engines have also ben known to experience failures of the Exhaust Gas Recirculation (EGR) valve’s cooler which is part of the overall cooling system. The 2.2-litre and 3.2-litre Ranger engines seem more susceptible to this, but it shouldn’t be automatically ruled out on the 2.0-litre engine.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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