Rio L4-1.5L (2001)
Fuel Tank Pressure Sensor: Description and Operation
Fuel tank pressure sensor
The Fuel Tank Pressure Sensor (FTPS) is an integral part of the monitoring system. The FTPS checks Purge Solenoid Valve operation and leak detection
in the Evaporative Emissions System by monitoring pressure and vacuum levels in the fuel tank during and between Purge Solenoid Valve operating
cycles.