P1443 EVAP Canister Purge System/Valve Fault
What does P1443 mean on a Ford?
P1443 — EVAP Canister Purge System/Valve Fault. This Ford-enhanced code applies to Mustang, F-150, Ranger, Taurus, Explorer (1990s–2000s EVAP systems).
Common causes of P1443
- Failed canister purge solenoid or valve
- Blocked, cracked or disconnected EVAP vacuum hoses
- Faulty purge flow sensor where fitted
- Stuck charcoal canister check valve
- Wiring fault in the purge control circuit
How to fix P1443
- Command the purge valve with a scanner and feel for a click
- Inspect all EVAP hoses between the canister, valve and intake
- Test purge flow during a drive cycle with a scan tool
- Check the purge circuit wiring and connector
- Replace the purge valve or solenoid after confirming the command signal