P0452 MAZDA Fuel Tank Pressure Sensor Malfunction Input Below Calibration

Possible causes
– Faulty Fuel Tank Pressure Sensor
– Fuel Tank Pressure Sensor harness is open or shorted
– Fuel Tank Pressure Sensor circuit poor electrical connection
When is the obd code mean?
A low voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM).
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0452 MAZDA OBD Code Description

The Fuel Tank Pressure (FTP) pressure sensor detects pressure in the purge line. The sensor output voltage to the Engine Control Module (ECM) increases as pressure increases.