Nissan P1448: EVAP Canister Vent Control Valve Malfunction (Open)
Is your scanner showing Nissan P1448?
No worries. We'll show you what it means and how to deal with it.
Nissan P1448: EVAP Canister Vent Control Valve Malfunction (Open)
OVERVIEWWhat Does The Nissan P1448 Code Mean?
Engine started, Engine running under cruise conditions at a light engine load, then back to idle speed for 1 minute, and the PCM detected the EVAP Canister Vent Control Valve remained open during a period when it should have been closed during the test.
What Are The Potential Causes Of The Nissan P1448 Code?
- EVAP canister vent control valve is damaged or has failed
- EVAP control pressure sensor is damaged or has failed
- EVAP canister vent control valve rubber tube is blocked
- EVAP water separator has failed or canister is full of water
- EVAP vacuum
How Can You Fix The Nissan P1448 Code?
NOTE: If DTC P1448 is displayed with P0440 or P1440, perform
trouble diagnosis for DTC P1448 first.
- Check rubber tube for clogging. Clean it using an air blower.
- Check and replace EVAP canister vent control valve if needed.
- Check and replace vacuum cut valve if needed.
- Repair hose or replace EVAP canister.
- Repair hose or replace the EVAP control system pressure sensor.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Canister Purge Valve Solenoid - Vapor Canister Vent Valve
>>> Evaporative Emissions System Lines Fits Sentra (2017 - 2019)
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Check This Video For Reference
Reference Sources
ENGINE CONTROL SYSTEM SERVICE MANUAL for P1448 – Pages 565-572.
