Fuel Tank Pressure Sensor (Ftps): Description
WARNING: This page is about a different car, the 2004 Kia Amanti. However, it is still accessible from the selected car via links, so may be relevant.
The fuel tank pressure sensor is a pressure sensitive variable resistor. It measures the change of pressure in the fuel tank and monitors leakage detection. It is used to close the evaporative system and observes tank pressure respectively with canister close valve.