How big of a tank does 1998 ford e350 econoline van?

The fuel tank size for a 1998 Ford E350 Econoline van varies depending on the specific configuration (engine, options, etc.). There's no single answer. You'll need to check one of the following:

* Your vehicle's owner's manual: This is the most reliable source. The fuel tank capacity should be clearly stated.

* The fuel filler door: Sometimes the fuel tank size is printed on a sticker on the fuel filler door.

* Your vehicle's identification plate (VIN plate): While it might not directly state the tank size, the information on the plate might help a parts dealer or mechanic determine it.

* A Ford parts dealer: Providing your VIN will allow them to look up the exact specifications for your van.

Without knowing the specific details of your 1998 Ford E350 Econoline, it's impossible to give a definitive answer.