P0455 Ford -

Question

po455 code on 2002 explorer.4.0 v-6.gas cap looks new.i took off gas cap to see if gas cap ligh would come on but it did'nt

Answer 1

P0455 Evaporative emission major leak detected, no flow

At the fuel tank is the fuel filler hose, right where it attatches to the fuel tank you will need to inspect that area, the filler tank hose  has a tendency to rip which will cause P0455.