Depends on the build date. We've had ours in 3 times in 2 years and 19k miles but so long as its under warranty, its no problem.
variable swirl control valves
Mine was the 2nd CX7 to hit the dealer intown which was the first batch of CX7's for the Alberta dealers, and no issues whatsoever other than the fuel pump. I LOVE THE CX7 (bowdown)(bowdown)(bowdown)(thinkbeer