P1443 Code on 1996 GT?

[BILLFORD01]

check engine light on 1996 mustang gt. 4.6l V8 manuel transmision. what dose the code indicate the problem is and how do i fix it?

 

[ZeroSVT]

1443 Evaporative Emission Control System - Vacuum System - Purge Control Solenoid or Purge Control Valve fault Loose or defective gas cap will cause this code.