Cutlass Ciera Cruiser V6-3100 3.1L MFI VIN M (1994)
Canister Purge Solenoid: Description and Operation
PURPOSE
The Powertrain Control Module (PCM) operates a pulse width modulated (PWM) solenoid valve which controls vacuum to the charcoal canister.
OPERATION
The PCM turns "ON" the solenoid valve and allows purge when:
^
Engine is warm.
^
After the engine has been running a specified time.
^
Intake Air Temperature (IAT) is reading above 9.5° C (50° F).
