Re: 4.0 p1443 code
Usual cause for the P1443 in 95~97 Rangers is the Purge Flow Sensor. Could also be the Purge Solenoid or leaking vacuum hoses. Ford sells all of these as an assembly but individual parts are available from RockAuto and others.
2003 FX4 Level II, Supercharged 5.0L V8, Headers, Duals
BW4406 manual transfer case, Aussie Locker, Torsen L/S, 4.10's
Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos
Heated seats, Explorer EATC, Trip Computer and consoles
2003 XLT 2.3L M5OD-R1 reg cab beater, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid