Hey Guys My Gf has a 06 4.0 stang and it has 55,000 on it .. the other night she said she was racing someone Idk why lol .. and the rmps shot up and the car died and won't start again. She took it to checker auto part to get the obd 2 read and the guy said 02 sensor but he also cleared the code like a dumbass so I can't do it myself .. any suggestions or similar experiances