P0457 — Evaporative Emission System Leak Detected (Fuel Cap Loose/Off)

Q: What does fault code P0457 mean?

P0457 means: Evaporative Emission System Leak Detected (Fuel Cap Loose/Off). It is a Powertrain (engine/transmission) fault code defined by the OBD-II standard.

Q: Can I keep driving with P0457?

If the engine light is flashing or the car is running poorly, drive as little as possible with P0457. Book an inspection promptly.

Powertrain (engine/transmission)

Evaporative Emission System Leak Detected (Fuel Cap Loose/Off)

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Can I drive with P0457?

Drive as little as possible and book an inspection promptly.

Frequently asked questions

What does fault code P0457 mean?

P0457 means Evaporative Emission System Leak Detected (Fuel Cap Loose/Off).

Can I keep driving with P0457?

Drive as little as possible and book an inspection promptly.

Related fault codes

P0450 — Evaporative Emission Control System Pressure Sensor 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
P0454 — Evaporative Emission System Pressure Sensor Intermittent
P0455 — Evaporative Emission Control System Leak Detected (gross leak)
P0456 — Evaporative Emission Control System Leak Detected (very small leak)
P0458 — Evaporative Emission System Purge Control Valve Circuit Low
P0459 — Evaporative Emission System Purge Control Valve Circuit High

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