One problem related to other fuel type engine turbo-charger 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 hose from the turbo to the intake cooler will blow off and cause pressure loss. When towing a trailer on a hill the engine turbo system will produce high pressure and will blow the hose connecting the turbo to the intake cooler. The vehicle ends up without power, making the situation extremely dangerous to riders and other vehicles due to the radical deceleration, from 65mph to about 15mph while trying to pull to the side. The problem is a common issue to Ford owners with diesel engines 2004 and 2005, maybe others. Internet searched "Ford turbo hose blow off".