its a 90 accord ex and the problem starting to happen more often. i start it then it will run for like 2 sec then dye. then after that it just cranks. I notice that when the key is in the ON position and after the Check Engine Light turns off there no Click then it just keep turning the key off and on til i hear that click then it starts and runs fine and starts again great. could my main relay be going out or there something else. Any help will be appreciated

 

check main relay, check fuel pressure, spark, ignition module, etc