I have a 96 Areostar vin: 5th-A, 8th-X, 10th-T produces code P1443 (evap purge valve fault) Why does the scanner skip thes code in the trouble shooter? it has 1442 and 1444, 1445 but not the 1443. Is it a false code or Snap-on's lack of full coverage? Thanks f... Login to read more.