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Registered
Join Date: Mar 2010
Posts: 10
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HELP 2EFF Error Code HELP
2008 328 cooling fan turns on and runs fast and very loud after driving 1/2 hour. Car is not overheating and oil temp is less than 250. New water temp sensor, water pump, and thermostat. New coolant and system bled properly. Car threw code 2EFF “fan self diagnosis”. I have seen similar questions on many forums but no real Answer . What does this mean??? How do I stop the fan from running fast and loud?
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