Car somtimes starts fine and runs fine but if i shut it off car wont start back up for at least an hour or so. i did spray gas into the throttle body and it fired right and ran fine no problems but after i just it off it just wont start up again. I have just rebuilt the motor and transmisson did the same thing before too. NEED HELP PLEASE!!!! confused as hell

 

Does it keep running when you prime it with fuel, or does it die again as soon as it consumes the fuel you sprayed in? If it kept running, then your fuel pump relay probably isn't priming the system and it's starting when the oil pressure builds up. If it dies again, then it obviously isn't getting any fuel during the no start condition. I just experienced this and it was one bad injector shorting out when it got hot. This will shut the ECM driver transistors completely down, making the car not run. A bad ignition module can make for hard/no starting when it's hot.

 

No as soon as i prime it fires right up and stays running. Its never died on me. i drove it around town to make sure it wasnt losing any power and shut it off when i got back and again wont start until i prime it or let it set for a couple hours and the ignition module has just been replaced when it was rebuilt has new accel module and distributor. If it is the Fuel Pump Relay how would i fix that? And thanks for the help

 

You should be able to search up how to go about testing it. Do you hear the fuel pump run when you first turn the key on? It could also be that you are too lean (vacuum leaks, bad temp sensor,....).