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get a bigger air intake K&N unpluge your EGR vavle
Check the EGR vavle
The egr position sensor is part of the egr vavle.
97 Z28 camero 5.7 egr vavle located on engine
EGR vavle is clogged go to "you tube" search "clean EGR "
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.
the vortec 4200 doesnt have an EGR system
The egr valve on the 1999 vortec v6 is bolted to the intake valve. It is just behind the distributor.
2003 4.3's do not have an egr valve.
From what I been reading there is no egr on this engine.
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.