P1448 NISSAN - EVAP Canister Vent Control Valve Open
- EVAP canister vent control valve
- EVAP canister is saturated with water
- EVAP control system pressure sensor and the circuit
- Blocked rubber tube to EVAP canister vent control valve
- Water separator
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When is the code detected?
- Engine Light ON (or Service Engine Soon Warning Light)
P1448 NISSAN Description
This solenoid valve responds to signals from the Engine Control Module (ECM). When the ECM sends an ON signal, the coil in the solenoid valve is energized. 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.
P1448 NISSAN Information for specific Nissan models
P1448 2003 NISSAN ALTIMA SEDAN
P1448 2002 NISSAN SENTRA
P1448 2003 NISSAN SENTRA
P1448 2006 NISSAN SENTRA
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