i dont know why my car is doing this but it must not like me. When i put my car in reverse the check engine light comes on and i give it the gas it dies and throws a code 6 which is coolant temp. sensor i have no idea where it located. Also the light in my ecu stayed on and did not go off until i turned my car off the first time it happened. It throw the code 6 when i started it back up and put in reverse again. HELP PLEASE. It doesn't throw any codes until you put in reverse....wierd.....