One problem related to catalytic convertor has been reported for the 2001 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Ford Mustang based on all problems reported for the 2001 Mustang.
Engine check light came on, gasoline fumes in vehicle. Took vehicle to dealer, who found fuel injectors were locked in open position, gas was flooding the system. This destroyed catalytic converter. Consumer found out that vehicle had been repaired at dealership before she purchased vehicle for same problem. Computer readout from first repair said: vehicle not running right. Consumer felt she did not receive a new vehicle as it was repaired, and she had not been told.