P0125
Low severityInsufficient Coolant Temp for Closed Loop Fuel Control
Quick answer
P0125 (Insufficient Coolant Temp for Closed Loop Fuel Control) means: The engine takes too long to warm up enough for normal fuel control. Low urgency; often a thermostat. Typical Malaysia repair cost: RM80–RM300 (approximate).
Symptoms
- •Check engine light
- •Slow warm-up
- •Worse cold economy
Likely causes
- •Stuck-open thermostat
- •Faulty coolant temp sensor
- •Low coolant
Can I drive?
Low urgency; often a thermostat.
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.