Where is the diagnostic port on a 1993 ford e250 van?

On a 1993 Ford E250 van, the diagnostic port, also known as the OBD-I connector, is typically located under the dashboard, near the driver's side. It can be found to the left of the steering column, close to where the dashboard meets the steering wheel. You may need to crouch down or use a flashlight to see it clearly. This port is used for connecting diagnostic tools to read trouble codes from the vehicle's onboard computer.