The EGR valve is not simply about re-burning exhaust gasses to try to clean up the emissions. In fact, it's more about saving fuel and as a side effect, reducing emissions. In essence it "shrinks" your combustion chamber when the need for power is low. It has absolutely 0 effect on WOT performance and I'll explain why in this article as well as

Oct 13, 2016. I recently deleted the DPF on my truck a few weeks back. As per the EFI instructions I unplugged the throttle valve, but I haven't deleted the EGR yet. ainly due the fact that I ran out of spare funds at the time since most of it was spent on the tuner and exhaust.

There are good EGR deletes and bad deletes. A proper delete only deletes derates due to EGR related codes. Not other codes. On ISX unplug oil pressure sensor, IAT sensor if you don't get a code it's a bad tune. A good tune also remaps VGT turbo to compensate for lack of flow back into engine intake. The most common reliability issues associated with the 2.0 Diesel VW Amarok are: EGR (Exhaust Gas Recirculation) valve failure. This valve often fails early, which can be indicated by a rough idle or illuminated engine management light. Serpentine/Accessory drive belt failure before its 75000km kilometer change over an interval.
It also requires ECM programming to deal with the DTC’s associated with removal of the EGR motor. Essentially an EGR delete removes the EGR valve/motor assembly along with the EGR cooler etc. It requires serious plumbing changes to the exhaust and intake and in my opinion is only advisable for the hard core racer.
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egr delete good or bad