Elantra GLS Sedan L4-1.8L (1997)
Leak Detection Sensor: Description and Operation
View: Fuel Tank Pressure (FTP) Sensor
LEAK DETECTION SENSOR-[FUEL TANK PRESSURE SENSOR (FTP)]
The fuel tank pressure sensor is a pressure sensitive variable resistor. It measures the change of pressure in the fuel tank and monitors the fuel tank/
EVAP system for leakage. It is used in conjunction with the canister close valve to test the evaporative system for leaks.