The engine P1742 Code is related with the problem. To know the about the problem, you should check your car choke plate. You should check its position and check it is selected correctly or not. The engine code is still working or not. Does choke plate open wholly? If choke plate is not open, then you may need replace or change it or repair it. If the choke plate is damaged and it is quite plain, then it is suggested to put down the repair tools and trigger looking around for a change choke plate to evade a replication of this nasty episode.