7/6/2023 0 Comments 2010 ford engine codes![]() If the coolant level is low, fill the coolant system and check for leaks. If your coolant condition is poor, flush the coolant system and replace the coolant. If there is excessive rust and poor coolant condition this can clog up the cooling system or cause the thermostat to stick. If other codes are present, they must be addressed first. Scan your Ford to verify P0128 is the only code present. ![]() Make sure to flush the engine block and radiator when replacing thermostat to prevent deposits from getting stuck in the new thermostat. Check the condition of the cooling system for rust deposits or mixture of different coolants. Many just replace the thermostat of their Ford without checking all possible causes. Overheating your engine will result in engine failureįord Code P0128 Common Diagnosis Mistakes Check your coolant level first to make sure it is full before continuing to operate the Ford. Faulty wiring for coolant temperature circuitĪ stuck open thermostat is most likely the problem, however thermostats are usually designed so when they fail they are stuck open allowing full flow of the coolant protecting your engine.
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