P0453 Unraveling the Enigma of Fuel Tank Pressure Control

OBD-II Code P0453 means that the Evaporative Pressure Sensor is indicating pressure change values that are above specification, ... It looks like the EVAP purge solenoid is not working and the excess pressure is discharged via the filler cap. This purging would be a cause to fail any ... P0453 - EVAP System Pressure Sensor/Switch 'A' Circuit High - OBD2 Trouble code: ✓ Meaning ✓ Causes ✓ Symptoms ✓ Diagnostics ✓ Repair guides ✓ Repair costs ... P0453/P0450 Evapp Pressure Codes ... Ive been told its either bad PCM or bad fuel tank pressure sensor. ... now my question is. Using a 03 3.2 ecu ... I have been troubleshooting a P0453 code (Evaporative Control System Pressure Sensor High Input), and I was wondering if any of you guys ... That's the evap system. You are safe to drive with that fault. It is unlikely to be related to the bank 1 lean condition, unless its because the ... I just replaced the fuel pump and filler neck grommet On my 2000 Mustang GT 4.6 liter .Now I'm getting a p0453 evap pressure sensor is ... The P0453 code is the result of a leak in the EVAP system. This could simply be a loose gas cap, or just one that isn't sealing very well. As to ... P0453 means that the Powertrain Control Module (PCM) has detected that the EVAP pressure sensor or FTP is indicating a higher than normal pressure (above 4.5 ... The code P0453 is set when the ECM reads a high voltage signal from the EVAP control system pressure sensor.