[ALTEZZA]

...when it abruptly stalls and then restarts in limp mode. After several tense minutes, it returns to full operation but still presents a check-engine light. Nelson volunteers to crawl back to the suburbs for an emergency appointment at Toyota of Cool Springs, where he'll give the technician a first-ever chance to diagnose a Subaru boxer engine.
The Scion's issue -- tentatively diagnosed because the car is so new and unfamiliar to dealers -- is a cam gear that occasionally slips out of alignment, tripping the check-engine light. Rather than sitting around and waiting for it to happen again, we set off through the park...

http://www.automobilemag.com/reviews...13_scion_fr_s/