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2016 F-150 – 5.0L – Audible Engine Knock At Normal Operating Temperature Between 1500 And 2500 Engine RPM – Built On 13-Jan-2016 And Through 19-Jul-2016
Some 2016 F-150 vehicles equipped with a 5.0L engine and built on 13-Jan-2016 and through 16-Jul-2016 may exhibit an audible knock noise from the engine only after the engine is at normal operating temperature and between 1500 and 2500 engine RPMs.
If cylinder #5 is canceled and the noise is no longer present, consider the noise a characteristic and do not attempt any repairs.
Engineering has determined there are no long term durability concerns.
