Possible causes Blocked fuel vapor hose between the EVAP canister purge valve and the FTP sensor. Blocked fuel vapor hose between the EVAP canister purge valve and the engine intake manifold. Blocked vacuum hose between the EVAP canister purge valve
FORD Technical Service Bulletins for P1443 code 2000 FORD TAURUS ENGINE AND ENGINE COOLING:ENGINE:GASOLINE 2001 FORD TAURUS ENGINE AND ENGINE COOLING:ENGINE:GASOLINE 1997 FORD ESCORT ELECTRICAL SYSTEM:IGNITION:MODULE 1996 FORD RANGER UNKNOWN OR OTHER 1996 FORD RANGER UNKNOWN OR OTHER 1996 FORD
P1443 HYUNDAI – EVAP System – Tank Cap Missing
P1443 SUBARU – Evaporative emission control system vent control function problem