lafondedge

Hi i have a edge sport 2013 with a 3.7 and i have a big problem when i start on the street corner with a full accelaration i heard 2 or three explosion in linktate and after it take the gas i went to the dealer he check all the gas pressure the timing etc and he didn't find anything but i have yet the same trouble do you have the same trouble or heard that ? excuse my writting