P0456
Low severityEvaporative Emission System Leak (Very Small)
Quick answer
P0456 (Evaporative Emission System Leak (Very Small)) means: A very small leak was detected in the EVAP system. Low urgency; check the fuel cap and seals. Typical Malaysia repair cost: RM80–RM300 (approximate).

Symptoms
- •Check engine light
Likely causes
- •Slightly loose fuel cap
- •Tiny hose/seal leak
- •Faulty vent valve
Can I drive?
Low urgency; check the fuel cap and seals.
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.