Sebring V6-2.5L VIN N (1997)
Canister Purge Solenoid: Description and Operation
OPERATION
The PCM enables the EVAP after the engine reaches operating temperature. The EVAP corruption check cycle, which lasts a maximum of 12
seconds, is the only time that purge is disabled. At closed throttle, all fuel vapors are purged to the intake manifold. Increases in throttle opening,
which result in increased vacuum above the throttle blade, result in a proportionate increase in the flow of fuel vapors to the throttle body port. The
purging of vapors through the throttle body and the intake manifold is known as "bi-level purge". This solenoid has one side of its coil connected
to ignition. To energize this solenoid, the PCM through the SPI-C supplies a sink to ground. A capacitor is used to shunt transients to ground. This
output is monitored for diagnostic purposes.
