How do I fix error P0128?
What repairs can fix the P0128 code?
- Replacing the thermostat (most common repair)
- Replacing the coolant temperature sensor, or the wiring and connector associated with the sensor being damaged.
How serious is a P0128 code?
Can I Still Drive? Error code P0128 simply means the coolant temperature is below the ability of the thermostat to regulate. This code may not alert you to the exact nature of the problem, however, it can be an indication of several issues you should check out as soon as possible.
What causes code P0128?
The most common cause for P0128 is the engine coolant thermostat is stuck open. A simple way to diagnose this is to feel the radiator hose and monitor how hot the temperature of the coolant is when it starts flowing through the radiator hose.
Can low coolant cause P0128?
A faulty engine coolant temperature sensor or one of the wirings connected to it can cause the P0128 code. The most common causes of P0128 include: Low coolant level (an air pocket trapped at the engine coolant sensor) The engine coolant thermostat is stuck in an open position or is opening too soon.
How much does it cost to fix a P0128?
between $75 and $150
How much will it cost to fix? Running a diagnostic for a P0128 will cost around one hour of labor, which may run you between $75 and $150. If you need to replace the thermostat, the total cost for parts and labor will be around $470 to $505.
How much does it cost to fix P0128?
Can cold weather cause P0128?
The code P0128 – Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes too long to warm up. Often this code causes the Check Engine light to come on and off in cold temperatures.
How do I know if my car has a bad thermostat?
Here are the signs your car thermostat is failing:
- The temperature gauge reads high and the engine overheats.
- The temperature changes erratically.
- The vehicle’s coolant leaks around the thermostat or under the vehicle.