Where is the fuel filter located on a 1994 Ford E350 van with the 7 3 liter powerstroke diesel?
IDI diesel fuel filters are (looking from the front of the vehicle) on the right side of the engine. Looks like an oil filter hanging upside down. On powerstroke diesels, they are on the top of the engine, mid-way back. They have a black, "screw-on" cap about 4" in diameter. Recommend using a WIX filter... STAY AWAY FROM THE FRAM FILTER!!!
The fuel filter is about the hardest part to replace on Econoline Vans. Here is a link to the manual for your van http://www.themotorbookstore.com/econoline.html Ours is a 2002 PSD (diesel) so our book would probably be no help. On our 2002 PSD, the fuel filter is located behind the air filter and tubing.