Hi everyone, I have a Volvo S80 and it had and overheating and since then the car is not start a d wen it starts too it goes off again, and after diagnosis it's indicate a fault code of p0345. What can I do

 

P0345 is a cam position sensor (bank a) fault code. possible causes are the sensor, the wiring harness/connector, a system voltage issue (ie weak battery). When you say the car is not starting, does it turn over slowing or at the regular speed? First thing I'd do is check voltage at the battery then determine if you have a starter issue (including cables/terminals) or simply an issue with the cam sensor.