Possible causes

– Faulty Evaporative Emission (EVAP) Purge Solenoid Control
– Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
– Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection

When is the code detected?

– An excessively low voltage signal is sent to ECM through the valve

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0444 Description

The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the Engine Control Module (ECM). The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.

P0444 Information for specific makes

P0444 NISSAN
P0444 SUBARU
P0444 INFINITI
P0444 BMW
P0444 HYUNDAI
P0444 KIA
P0444 MAZDA
P0444 VOLKSWAGEN
P0444 AUDI
P0444 2005 KIA SORENTO