Egr Floe Out Of Range

I Have A 97 Fort Truck With A Code 108 Egr Flow Out Of Range I Changed The Egr But I Still Get The Check Eng Light Can U Help Thank U

The most common cause for this is the DPFE sensor, and/or clogged EGR passages in the intake.

what is the DPFE sensor

It senses the amount, if any, of EGR gas that is passing into the intake manifold. Other causes are blocked EGR passages, pinched sensor hoses, or hoses that are disconnected.