Severity: Fix soon. Usually safe to drive for now.
The computer measured the wrong amount of fuel vapor flowing from the charcoal canister into the engine when the purge valve opened.
Test the purge valve and check the purge hoses for blockage or cracks.
Safe to drive. You may notice a slightly rough idle.
Generally safe to drive, but get it checked soon. Safe to drive. You may notice a slightly rough idle.
The most common causes are: Failed purge valve; Blocked or cracked purge hose; Failed vent valve; Leaking charcoal canister. A scan tool and a visual check of the parts above is where a technician starts.
Test the purge valve and check the purge hoses for blockage or cracks.
