EGR vavle is clogged go to "you tube" search "clean EGR "
The egr position sensor is part of the egr vavle.
97 Z28 camero 5.7 egr vavle located on engine
The EGR vavle on a 6.7L is on top of the air horn on the intake on the driver side of the engine. The 5.9L does not have egr.
Just one egr valve on the e430. It's at the passenger side rear side of valve cover .
On the intake manifold, to the right (passenger side) of the Throttle Body.
how can i delete a egr vavle on 1997 ford f350 with electronic fuel injection, its a7.5 gas 460
Possibly the IAC ( Idle Air Control) vavle on the throttle body, or egr vavle stuck open..........would check or replace IAC first, usually not expensive.
. unbolt upper intake and remove along with throttle body egr valve hans on electronic pkug on top remove that then unbolt egr vavle from lower intake
get a bigger air intake K&N unpluge your EGR vavle
Check the EGR vavle
buy a new one and replace it job is less then 5 mins