P0449 ISUZU - Evaporative Emissions Vent Solenoid Control Circuit
- Purge Control Valve harness is open or shorted
- Purge Control Valve electrical circuit poor connection
- Faulty canister vent control valve
When is the code detected?
- Engine Light ON (or Service Engine Soon Warning Light)
P0449 ISUZU Description
A plunger will then move to seal the canister vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components.
This solenoid valve is used only for diagnosis, and usually remains opened. When the vent is closed, under normal purge conditions, the evaporative emission control system is depressurized and allows EVAP Control System (Small Leak) diagnosis.
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