Infiniti Code P0447

The Infiniti Code P0447 is a common engine code that is associated with the EVAP Canister Vent Control Valve Circuit Open. It indicates that an improper voltage signal is sent to the ECM due to the open or shorted EVAP canister vent control valve. This can cause a variety of issues, including poor engine performance, increased emissions, and reduced fuel economy. It is important to identify and address the underlying causes of this code in order to prevent further damage to the vehicle. In this article, we will look at the potential causes of Infiniti Code P0447 and provide solutions to help you resolve this issue.

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Causes and Solutions for Infiniti Code P0447

Cause Solution
Harness or connectors Check the connectors and replace the faulty harness.
EVAP canister vent control valve circuit is open or shorted Check the circuit and replace the faulty valve.
EVAP canister vent control valve Replace the valve.
Drain filter (if equipped) Clean the filter or replace it if necessary.

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