What causes coolant level to go below the thermostat?
Common causes include: – Faulty or sticky thermostat. – Thermostat seal is not sealing properly allowing coolant to bypass a closed thermostat. – Faulty engine coolant temperature (ECT) sensor. – Engine computer (PCM) software needs to be updated. – Low coolant level. – Radiator fan does not turn off.
Why is my Mazda 3 coolant thermostat stuck?
The temp gauge would not get to the middle until about 15 minutes of just sitting, no driving. Even when driving it would take about 10 minutes of driving to reach the steady level at the half. The thermostat was absolutely the issue from being stuck open.
What does p0128 mean on a GM thermostat?
In some GM cars when the code P0128 is set, the temperature gauge stops working and the radiator fans run constantly. Replacing the thermostat often solves the problem unless there are some other issues.
What causes Mazda 3 to have code p0128?
In some earlier Mazda 3 and Mazda 5 model year vehicles, the code P0128 may be caused by improper calibration of the PCM (engine computer) according to the Mazda service bulletin. The solution is to reprogram the PCM with an updated software and in some Mazda 3s built prior to 2004 also replace the thermostat with an updated part.
In some GM cars when the code P0128 is set, the temperature gauge stops working and the radiator fans run constantly. Replacing the thermostat often solves the problem unless there are some other issues.
Common causes include: – Faulty or sticky thermostat. – Thermostat seal is not sealing properly allowing coolant to bypass a closed thermostat. – Faulty engine coolant temperature (ECT) sensor. – Engine computer (PCM) software needs to be updated. – Low coolant level. – Radiator fan does not turn off.
The temp gauge would not get to the middle until about 15 minutes of just sitting, no driving. Even when driving it would take about 10 minutes of driving to reach the steady level at the half. The thermostat was absolutely the issue from being stuck open.
In some earlier Mazda 3 and Mazda 5 model year vehicles, the code P0128 may be caused by improper calibration of the PCM (engine computer) according to the Mazda service bulletin. The solution is to reprogram the PCM with an updated software and in some Mazda 3s built prior to 2004 also replace the thermostat with an updated part.