Sentra XE L4-1597cc 1.6L DOHC MFI (GA16DE) (1997)
EVAP Control System Pressure Sensor: Description and Operation
Evaporative Emission (EVAP) Control System Pressure Sensor
The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.
The EVAP control system pressure sensor is not used to control the engine system. It is used only for on-board diagnosis.