Where is the coolant temperature sensor located?
The Engine Coolant Temperature Sensor can be located in a few places, depending on the vehicle and its manufacturer. It is most often located close to the thermostat of the cooling system or inside of it. The cooling system is located beneath the air intake pipe and behind the right cylinder.
Why is my Pontiac Grand Prix overheating?
While there are a variety of reasons your Pontiac Grand Prix is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
What causes P0128 code?
The most common cause for P0128 is the engine coolant thermostat is stuck open. When the thermostat does open, the hot coolant should start to flow and quickly warm up the radiator hose. If the radiator hose heats up slowly, the thermostat is stuck open or opening prematurely and needs to be replaced.
What can cause a P0128 code?
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.