Symptom hub

Car Flooded After Getting Gas: Why the EVAP System Often Mimics a Flooded Engine

When the engine cranks like it is flooded right after refueling, the diagnosis should start with unwanted vapor entering the intake, not with blind fuel-pump or injector guesses. A leaking purge valve, soaked canister, or bad tank-pressure story can make the engine act temporarily over-fueled even though the root problem lives in EVAP control.