I checked on rockauto.com and can find only an EGR Pressure Feedback Sensor.
Is this the same thing as a DPFE sensor? Thanks for you reply.

Jim Warman wrote:
>*Usually* it is the DPFE senor.... but the parts stores like to sell
>everything else in the system first...
>
>> 96 Explorer 4.0, V6 Auto, 4WD - has error code 401. Replaced EGR Valve,
>> had
>[quoted text clipped - 4 lines]
>> be
>> a sensor? If so, where is it?

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