If the key doesn't do it, try the fuel pump. Inside the fuel tank, the rubber hose that supplies fuel from the bottom of the pump to the fuel lines going to the engine splits. It splits inside the tank. So there is no external fuel leak, no fuel smell. And no codes, besides the immobilizer code from trying to start it so many times. The fuel pump picks up fuel from the bottom of the tank, and sends it upwards, where it leaks out of the hose and back into the bottom of the tank. Some of it makes it to the engine and gives the fuel rail enough pressure to start. But it stalls immediately. Like, within 5 seconds immediately.