P0457
Low severityEVAP Leak (Fuel Cap Loose/Off)
Quick answer
P0457 (EVAP Leak (Fuel Cap Loose/Off)) means: A fault in the fuel-vapor (EVAP) system; often a cap, hose, or valve. Low urgency; check the fuel cap first. Typical Malaysia repair cost: RM80–RM300 (approximate).
Symptoms
- •Check engine light
- •Possible fuel smell
Likely causes
- •Loose/faulty fuel cap
- •Cracked hose
- •Faulty purge/vent valve
Can I drive?
Low urgency; check the fuel cap first.
Estimated repair cost (Malaysia)
RM80–RM300 (approximate)
This is general information, not a diagnosis. AutoMalaya OBD helps explain your car’s actual scan data; a qualified mechanic may still need to inspect the vehicle.