One problem related to engine knocking noise has been reported for the 2003 Ford Taurus. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Ford Taurus based on all problems reported for the 2003 Taurus.
The contact owns a 2003 Ford Taurus. While driving approximately 55 mph the engine began make a knocking noise and a check engine service light illuminated on the instrument panel. The vehicle was driven onto the emergency lane and would not restart. The vehicle was towed to an authorized dealer where the contact was informed that a valve spring head broke off inside of the engine causing engine failure. The authorized dealer replaced the engine with a remanufactured engine. Within a few days, the failure recurred and the vehicle was taken back to the authorized dealer who stated that they did not know what was wrong with the engine. The vehicle was not repaired and the failure continued to occur intermittently. The failure mileage was 73,887 and the current mileage was 80,000.