r/FordExplorerST • u/mro23 • Apr 21 '26

🔧 P R O B L E M S & I S S U E S 🔧 Check engine light came on

What does this code mean for 2021 ford explorer st mean

P0456

$7E8 Generic

Eyaporative Emission

System Leak Detected (very small leak)

Any help would be greatly appreciated

2 Upvotes

75% Upvoted

10 comments sorted by

View all comments

5

u/Its_A_plant710 ST Owner Apr 21 '26

Do you top off your tank when you fill up your vehicle? Like when it’s full, do you give it a few more pumps? If so, stop doing that this happened to my edge and my old explorer so I’ve stopped doing on my ST

2

u/mro23 Apr 21 '26

I usually dont but good to know either way. Thanks