Egr valve 2.3 turbo replacement
 

Hi everyone, i have a mazda cx7 2007 2.3 and this is a totally headache, so my mechanic said that it will be neccesary change the egr valve but my next questions is:
1.-¿this valve can be cleaning up?
2.-¿this valve does fit with 2.3 non turbo?
3¿this valve does consistent with the egr valve from a 2.3 focus?

I hope that you can answer my questions