Symptom hub
Hard Start After Refueling: EVAP Codes, Causes, and First Checks
A hard start right after filling the tank usually points to EVAP purge flooding, tank-pressure feedback problems, or a venting fault that throws vapor management off at the exact moment the engine is asked to restart.
Likely related codes
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P0456 — EVAP System Leak Detected (Very Small Leak) P0441 — Evaporative Emission Control System Incorrect Purge Flow P0496 — Evaporative Emission System High Purge Flow P0440 — Evaporative Emission Control System Malfunction P0451 — Evaporative Emission Control System Pressure Sensor Range/Performance P0452 — Evaporative Emission Control System Pressure Sensor Low Input P0453 — Evaporative Emission Control System Pressure Sensor High Input P0444 — Evaporative Emission Control System Purge Control Valve Circuit Open P0445 — Evaporative Emission Control System Purge Control Valve Circuit Shorted P0497 — Evaporative Emission System Low Purge Flow P1450 — Unable to Bleed Up Fuel Tank Vacuum
Connected paths
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