One problem related to engine noise has been reported for the 2001 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Ford F-150 based on all problems reported for the 2001 F-150.
Pulled out of side road onto major highway and suddenly a loud flapping noise from engine was heard. Immediately pulled to shoulder of road and turn vehicle off and called for assistance. Was told that a spark plug was the cause of the problem and that it should be a easy fix, this was not the case because the head had to be removed to extracted to damaged plug. Our fix is costing upwards of $700.