P0443 FORD - EVAP Purge Control Circuit

Repair Importance Level: 1/3
Repair Difficulty Level: 3/3   
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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 improper voltage signal is sent to ECM through the valve.

Possible symptoms

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

P0443 Ford 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 ECM. The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
OBDII Code P0443 Ford - EVAP Purge Control Circuit  - AutoCodes.com

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P0443 FORD Comments

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