One problem related to engine shut off without warning has been reported for the 2004 Ford Expedition. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Ford Expedition based on all problems reported for the 2004 Expedition.
The first incident with my Ford while driving at about 25mph the spark plug was blown out. Ihad the spark plug issue repaired. My second issue with my Ford now is that it shuts off while driving at speed. It has happen 4 times now. I have read some blogs that state it might be the bad placement of fuel pump driver module or fuel pump relay. This may cause a crash. Please research!!!!.