How do I fix the engine code 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.
Can cold weather cause P0128 code?
Thanks! Error Code P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). This error can appear if the engine coolant temperature doesn’t reach some threshold after so much engine run time. While a stuck open thermostat is possible be sure the coolant level is good.
What does the code p0128 mean on a Grand Prix?
P0128 is a relatively common OBDII trouble code. It is triggered when your Pontiac Grand Prix ‘s coolant temperature fails to reach the proper operating temperature. It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+).
What causes a Pontiac Grand Prix to have a trouble code?
Here are the symptoms associated with this trouble code: Lack of heat – The biggest symptom of the P0128 trouble code in the Pontiac Grand Prix is going to be lack of heat. When the thermostat doesn’t bring the engine all of the way up to the proper operating temp, it means that the water going through the heater core isn’t as hot.
What causes the p0128 code on a Chrysler 300?
Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant to flow through the engine at all times.
Why does my Pontiac Grand Prix have no heat?
Lack of heat – The biggest symptom of the P0128 trouble code in the Pontiac Grand Prix is going to be lack of heat. When the thermostat doesn’t bring the engine all of the way up to the proper operating temp, it means that the water going through the heater core isn’t as hot. This leads to less/no heat.