The P1448 code is a Nissan/Infiniti-specific trouble code that means the EVAP canister vent control valve is stuck open (or electrically failed...
The P1447 code is a Nissan/Infiniti-specific fault that means the ECM commanded the EVAP purge valve open but detected no purge flow...
The P1446 code is a manufacturer-specific code most commonly found on Nissan and Infiniti vehicles (1998–2015 era). It means the...
The P1443 code indicates an EVAP Purge Flow Monitoring Fault — meaning the purge valve, purge flow sensor, or EVAP plumbing...
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