Severity: Fix soon. Usually safe to drive for now.
The computer found a small leak in the fuel vapor system, big enough to let vapors escape but small enough that it is usually just a hose, a seal, or the gas cap.
Tighten or replace the gas cap, clear the code, and see if it returns. If it does, a smoke test will find the leak.
Safe to drive. This is one of the most common check-engine codes and is often just the gas cap.
Generally safe to drive, but get it checked soon. Safe to drive. This is one of the most common check-engine codes and is often just the gas cap.
The most common causes are: Loose, cracked, or missing gas cap; Cracked EVAP hose; Failed purge or vent valve seal; 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, clear the code, and see if it returns. If it does, a smoke test will find the leak.
