One or more of the door locks may become inoperative due to resistance in the circuit. In some cases, replacement of all actuators will be required to correct this issue.
2005 Ford Excursion Problem Reports
Most Reported 2005 Ford Excursion Problem Reports
The high pressure diesel fuel injection pump may fail, resulting in a "no start" condition.
Intermittent rough idle may be caused by the EGR sensor sticking, causing the EGR valve to stay slightly open. Our technicians tell us the valve and sensor must be replaced together to correct this concern.