If my egr solenoid is bad (or gone)?
It is bad, I took it apart and did <a href="https://www.fiero.nl/forum/Forum2/HTML/045528.html">this test</a> (which is brilliant BTW, thanks buddy). The solenoid does nothing. period. I basically destroyed it by the end of the test, and felt it worthless to put back in since it was not working in the first place.
So now it is gone. Entirely. Should I get a new one? How bad is it for the car? Will I get better gas mileage if I replace it? Will the car run better? Any other problems I should know about. Thanks everyone!