1996 Toyota Tercel EGR valve question?

I just had my EGR valve cleaned and the tube running to the manifold,the check engine light came back on and it is idling a little rough again.I tested the valde by pressing on the diaphram with my finger and it did not kill the engine.Is it still possible it could be a solinoid or one of the hoses going to the EGR are clogged still or should I just get the whole EGR assembly replaced?
The only reason the engine light went off orginally is because the mechanic reset the code.
 
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