P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
Is your scanner showing P0125?
No worries. We'll show you what it means and how to deal with it.
P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
OVERVIEWWhat Does The P0125 Code Mean?
This means that the engine coolant temperature (ECT) sensor indicates that the engine has not reached the required temperature level to enter closed-loop operation within a specified amount of time after starting the engine.
P0125 wiring diagram
What Are The Symptoms Of The P0125 Code?
You will likely not notice any drivability problems.
What Are The Potential Causes Of The P0125 Code?
A code P0125 may mean that one or more of the following has happened:
- Insufficient warm up time
- Low engine coolant level
- Leaking or stuck open thermostat
- Faulty coolant temperature sensor
How Can You Fix The P0125 Code?
The simplest thing to do is to reset the code and see if it comes back.
If the code comes back, the problem is likely going to be the result of the above causes (faulty thermostat, faulty ECT sensor, or a low coolant level).
Other ECT sensor and circuit related DTCs: P0115, P0116, P0117, P0118, P0119, P0128
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> ACDelco GM OEM Engine Coolant Thermostat
>>> ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat
>>> Coolant Temperature Sensor
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Check This Video For Reference
Reference Sources
Diagnostic Trouble Code (DTC) Charts and Descriptions for P0125 – Page 27.
