P0325
Medium severityKnock Sensor 1 Circuit (Bank 1)
Quick answer
P0325 (Knock Sensor 1 Circuit (Bank 1)) means: The knock sensor that detects engine 'pinging' isn't reporting correctly. Diagnose soon; the engine may pull timing and lose power. Typical Malaysia repair cost: RM200–RM800 (approximate).

Symptoms
- •Check engine light
- •Reduced power
- •Slightly worse economy
Likely causes
- •Faulty knock sensor
- •Wiring/connector fault
Can I drive?
Diagnose soon; the engine may pull timing and lose power.
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.