Question

1999 Ford Econoline 250 5.4L, code says p0442, what is the meaning?

Answer 1

HI there

This code means there is a small leak in the evap emissions system. This could be the gas cap, however there are other possible places. If changing the gas cap doesn't help, then you will likely need a smoke test to find the leak

P0442 FORD - Evaporative Emission System Leak Detected Small Leak

Read more: https://www.autocodes.com/p0442_ford.html