Severity: Fix soon. Usually safe to drive for now.
On Ford vehicles, the fuel vapor system cannot release the vacuum it built up during a self-test, which usually means the vent path is blocked.
Check the vent filter and hoses for blockage, then test the vent valve.
Safe to drive. Filling the tank may be difficult — the pump may click off early.
Generally safe to drive, but get it checked soon. Safe to drive. Filling the tank may be difficult — the pump may click off early.
The most common causes are: Blocked vent valve or filter; Failed vent valve; Crushed EVAP hose; Failed charcoal canister. A scan tool and a visual check of the parts above is where a technician starts.
Check the vent filter and hoses for blockage, then test the vent valve.
