One problem related to emission control has been reported for the 2004 Ford Excursion. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Ford Excursion based on all problems reported for the 2004 Excursion.
The ep and egr sensors kept going out. When this happened the vehicle will run, but will not get any power, similar to stalling. This occurred three times, dealer continued to service the vehicle, and the problems came back.