Anyone had dealer do an exhaust smoke test?

[tuanle16]

i am very curious what u find as well. i have the same ticking sound at idle. i just turn up the radio and try to ignore it. I also had the RPM issues as well. I tried to dean my TB, but could not get it out. Instead, I cleaned the air filter since I was there. That fixed it. Finally, I had a rattle in my exhaust system somewhere, So I changed out a new muffler and cat converter, but still there. I checked the heat shields too. It's annoying and even embarrassing when driving. So I am very interested in what you find