I can drive my elantra but sometimes it just dies for no reason at stoplights or signs. .i can wait for 20 minutes then it will start up again.when it dies,it will turn over but wont start.its like its not getting gas or not firing.

engine cooling problem... probably..
next time check the engine temp. indicator when the engine shuts down.

Check your Fuel Pressure and your Fuel Filter

One possibility is a blocked fuel line or filter. It basically runs out of fuel and you have to wait for it to come through slowly. The other possibility is the ignition system is losing spark as something heats up. You have to wait until it's cooled down before it runs again.

vapour lock fuel system/and or gas cap seal leaking by.

Had this happen with a Honda Accord: carb icing.
You do not have a carb.
Had this happen with a newer Honda, bad ignition switch. It was intermittent. $24 and one hour fixed it.
Good luck

relay problem either the asd relay or the fuel pump relay is bad. now pay me

Try replacing your fuel pump and check for possible dirts in your fuel system.

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i would check your ignition system. you would need a meter for this but look for broke or loose connections. if it was a fuel problem i dont think it would just start up after 20 minutes. or you might try your ignition switch. if its shorting or something then ya well it would cut your engine off real quick

scrappy I hope you fixed your problemssince last post. Sorry to be gone for soooo long. Have you check your fuel tank? I had an old 1963 chevy that over the coarse of years that filled the bottom of the tank with dirt and what have you. It would run for 15-20 minutes and shut off. After it sat for about 10 minutes it would settle back to the bottom and I could drive again for 10=15 minutes. It drove me crazyuntil I had a radiator shop vat the fuel tank. Let me know if you fixed the problem....it has been a month since I last logged on....sorry.

For a older car like yours, sometime sick just like an older people. Car is different, if you can find the reason why cause this kind problem, as soon as you fix it, it will run for a while, but it is not easy, I think when you drive for a while, the engine is hot and inside is over heated, the ring on the piston expanded, that’s cause the engine stalled, after 10 to 15 minutes, the engine cool down, it will start and drive a short distance again and wait until the engine getting hot again, it will stall again.

How do you solve this problem, go to junk yard and find a low mileage engine put in or rebuild your engine.

Hope this can help.

Frank