I have a question for the experts

Friends, my malfunction light was on. Problem connected to device water "egr valve range"
So the institution was not working.
I used to connect with Obd and wipe it when I traveled 150 km, it burned again.2 Months I used it like this. I traveled 500 km still did not burn.

My question is this?
Are these institutions steam and flew
Could I have discharged egr gear for shifting gears in redlines for a long time (I don't think because after a certain cycle, egr closes, performance runs out of system when needed)

When I heard about 800 TL for the change of egr valve, I said I would cancel it. They asked for cancellation and 850 TL to close it from the brain.
Canima com com, of course, I am wondering if anyone witnessed the use of egr has returned to its former state. ALLEX 2017-08-28 22:08:20

it is normal to clean the engine when it is very hot. Mine is doing things like scabies for a long time ..

Egr cancellation is best, you will see both performance plus

I will wait if the fault does not burn until short.
Because this month, the financial weakening started when we said the victim weddings association

Let's run two months, maybe chip + egr can be canceled.

Exactly when the big institution is gone, the error has gone. I think it is necessary to take a flight on the ring road once in a while, clean it for 5-10 minutes, and shake it well.