were is the exhuast pressure valve on a 1999 ford 7.3 powerstoke located

Question

i HAVE A P045 CODE I REPLACED THE SENSOR LOCATED AT THE FRONT OF THE ENGINE.AFTER REPLACING THE SENSOR THE CODE CHANGED TO THE P045 THE CONNECTIOS APPEAR TO BE CLEAN

Answer 1

P0475 Exhaust pressure control valve malfunction

How did you get this code,When you do a self test key on engine running,(KOER) and the outside temperature is above 60 degrees, you will always get this code,When you get this code the EPB is disabled,