Engine Lurch during start-up?

Had my CX5 in for the fuel filler pipe recall and a new inspection sticker this morning. I mentioned to them to be on the look-out for this lurching/movement feeling on a cold start (I had dropped of the car the day before). The Tech didn't notice anything when he started it up (but to be fair, the temps are much warmer now than when I was noticing the problem). They also couldn't find any error codes, nor anything unusual or broken in the engine bay.

So I guess I'll just have to wait and see if it resurfaces next winter when the temps get real cold again.
 
To those who have lurching feelings... Does your rpm lurch/jump when "slowly" accelerating during cold start? Because that's what I've been experiencing since I've owned the car basically but haven't really took it into dealers for service or anything. The rpm doesn't lurch/jump when accelerating a little faster, but only on slow accelerations, like when I just pulled out of my driveway, I usually accelerate a lot lighter/slower than regular driving and notice the rpm jumps a little....
 
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