2012 Premium with only mods HKS res. midpipe and catback. Keep getting this error on the track. Not a loose gas cap. Dealer replaced either a fuel sensor or fuel pump just before I was on track this weekend and again I got a check engine message in my second session. Had filled up about 20 miles from the track the day before--no error all the way through the first session and part of the second. I did not pull the code myself previously, but now that the dealer (and from what I understand, Nissan) has had problems diagnosing the fix, thought I would see if anyone else has run into this, but a couple hours of searching the site did not turn up this code number. Any ideas?