One problem related to loud engine noise has been reported for the 2001 Ford Focus. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Ford Focus based on all problems reported for the 2001 Focus.
2001 Ford Focus. Original owner. Maintained. Spark plug blew out of cylinder. Dealer suggested most expensive fix - new cylinder head and spark plugs. Not covered by warranty. Will instead just get spark plugs rethreaded and trade in car ASAP before any other major issues. Car lost power. Was at a stop light and then made a right turn. Lost power and loud explosive noises resulted on freeway access road. Police had to come out until tow. Dangerous situation.