369, you are being set up for a four figure repair bill when there is nothing of any importance wrong with your car…If there is something seriously wrong with your car, you will know about it without the CEL complaining about some emissions problem, real or imaginary…
“It uses this sensor, also known as a fuel tank pressure (FTP) sensor to check for leaks. Basically P0453 means the PCM (Powertrain Control Module) noticed the EVAP Pressure sensor or FTP is indicating a higher than normal pressure (above 4.5 Volts) in the EVAP system. NOTE: On some vehicles the FTP is a part of the fuel pump assembly in the tank.”