4.0L V6 engines may develop a buzzing type noise from the upper engine area at about 1900 RPM, under light acceleration. Our technicians tell us this can be caused by loose ignition coil bracket bolts. Coil bracket bolts should be checked for the correct torque before further diagnoses is performed.
Problems for specific Ford Mustang GT years:
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Newest reported 2009 Ford Mustang GT problems
If a squeaking noise is heard while turning the steering wheel, the outer tie rod ends may be worn and should be replaced.