Severity: Fix soon. Usually safe to drive for now.
The computer found a general fault in the system that traps fuel vapors from the gas tank so they do not escape into the air.
Tighten or replace the gas cap first — it is the most common cause — then check hoses and valves for leaks.
Safe to drive. It is an emissions issue, not a drivability one.
Generally safe to drive, but get it checked soon. Safe to drive. It is an emissions issue, not a drivability one.
The most common causes are: Loose or damaged gas cap; Cracked EVAP hose; Failed purge valve; Failed vent valve; Leaking charcoal canister. A scan tool and a visual check of the parts above is where a technician starts.
Tighten or replace the gas cap first — it is the most common cause — then check hoses and valves for leaks.
