For Shop Owners

P0443 TOYOTA - Evaporative Emission Control System Purge Control Valve Circuit

Repair Importance Level: 1/3
Repair Difficulty Level: 3/3 What does this mean?

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
What does this mean?

When is the code detected?

An improper voltage signal is sent to Engine Control Module (ECM) through the valve.

Possible symptoms

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

P0443 TOYOTA 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.
OBDII Code P0443 Toyota - Evaporative Emission Control System Purge Control Valve Circuit -

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P0443 TOYOTA Comments

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Repair Importance Level: 1
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

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Posted and Edit by 06-14-2015

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