P0203
Medium severityInjector Circuit / Open - Cylinder 3
Quick answer
P0203 (Injector Circuit / Open - Cylinder 3) means: The electrical circuit for cylinder 3's fuel injector has a fault. Diagnose soon to avoid a persistent misfire. Typical Malaysia repair cost: RM200–RM800 (approximate).
Symptoms
- •Misfire
- •Rough idle
- •Hard starting
Likely causes
- •Faulty injector on cylinder 3
- •Wiring/connector fault
- •PCM driver fault
Can I drive?
Diagnose soon to avoid a persistent misfire.
Estimated repair cost (Malaysia)
RM200–RM800 (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.