One problem related to crankcase (pcv) has been reported for the 2004 Ford Focus. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Ford Focus based on all problems reported for the 2004 Focus.
The contact owns a 2004 Ford Focus. The contact stated while driving on several occasions at various speeds, the check engine warning light illuminated, and the vehicle jerked abnormally. There were three clicks before the vehicle stalled. The vehicle was restarted after approximately 10 minutes. The contact stated that on one occasion while driving at an undisclosed speed, the vehicle stalled nearby train tracks. The contact waited for 10 minutes, restarted the vehicle, and drove the vehicle to safety. The vehicle was then towed to an independent mechanic where a handheld diagnostic test indicated that the pcv valve needed to be replaced. The vehicle was then taken to an independent mechanic where it was diagnosed that an ignition coil needed to be replaced. The vehicle was repaired, but the failure reoccurred approximately a month later. The vehicle was taken to the same independent mechanic where it was diagnosed that the fuel relay fuse needed to be replaced. The vehicle was repaired, but the failure reoccurred approximately three weeks later. The manufacturer was not notified of the failure. The failure mileage was approximately 200,010.