2011 Hyundai Sonata engine problems

Good afternoon, I am contacting the consumer affairs department regarding the recall 180 hyundai is conducting a safety recall in the united states to confirm the high pressure fuel pipe was properly connected by hyundai dealers to the high-pressure fuel pump outlet when the engine was replaced under recalls 132 and 162.

The car randomly stalled at traffic lights for about ten times now throughout my 3.5 years' ownership. I bought my car in march 2010. Within one month, the engine stalled when braking to a full stop at traffic light. The dealer couldn't reproduce the problem. One month later, my car cut off again while sitting at traffic light. Another one or two months later, it happened the third time. The dealer kept my towed car for two weeks but had no clue. From then on, I just gave up.