eggy

Hi all yesterday I was trying to a U turn in a really narrow road and as I attempted to go up a curb I slipped on the accelerator and the revs must have hit 4k or 5k and I stalled lol! Afterwards I drove up the road to find a turning point but could smell a really eggy smell and a burning smell...

Getting an eggy smell now and again after giving my car a bit of death so to speak,but then it dies away, cant work out whether its through the heaters or something else ? Car is as quick as always had the TC kicking in alot but apart from that no noticeable loss of pace etc. cheers