L ladiekiller New member Apr 25, 2010 #1 04 Ford F150 4X4 makes a humming or whining sound when I let off the gas between 45-55mph. Does any one know what may be causing this Noise?
04 Ford F150 4X4 makes a humming or whining sound when I let off the gas between 45-55mph. Does any one know what may be causing this Noise?
A adam Active member Apr 28, 2010 #2 Does it ONLY happen when you let off the gas? Cause i had a loud humming noise on my ford explorer and it turned out to be the idle control valve. It would come and go at random times.
Does it ONLY happen when you let off the gas? Cause i had a loud humming noise on my ford explorer and it turned out to be the idle control valve. It would come and go at random times.