p0443
Easy Fix
Ford · SUVs
Evaporative Emission Control System Purge Control Valve Circuit
Quick Answer
Error code P0443 on your Ford SUVs means: Evaporative Emission Control System Purge Control Valve Circuit. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Failed EVAP purge control valve/solenoid
  2. Corroded or damaged wiring to the purge valve
  3. Poor electrical connection at the purge valve connector
  4. Blown fuse in the EVAP system circuit
How to Fix It
1
Locate the EVAP purge valve and inspect the electrical connector for corrosion
2
Test purge valve solenoid resistance with a multimeter
3
Inspect wiring harness between the purge valve and PCM
4
Check the associated fuse in the underhood fuse box
5
Replace the purge valve if it fails electrical testing
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
EVAP purge control valve
Electrical connector repair kit
Wiring repair supplies
Related Error Codes
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