Alright, this is regarding my 89 CRX Si. It will not start in hot weather. I've changed the coil, spark plugs, wires, cap, rotor, fuel pump, and igniter. Now reading the other threads, it seems that it might be the main relay. Is there a way to test the main relay? What exactly happens when the main relay goes out? I know that i'm not getting any fuel pumped because i actually removed the fuel line and tried to crank the motor but no fuel came through. Could it be the fuel relay? Please help. Any suggestions would be appreciated. I need this to be my daily driver when I put my car in the shop.... The relay is a dealer only part which I can't return because it is an electrical part.