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P0443 Ford

P0443 Ford - EVAP Purge Control Circuit

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? What does this mean?
When is the code detected?
- An improper voltage signal is sent to ECM through the valve.
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.

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