Can you drive with a P0128 code?

You may drive your vehicle with a P0128 trouble code. You will not notice any issue except for maybe the temperature gauge never reaching normal levels, and possibly the Check Engine light being illuminated.

What can cause a 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.

How much does it cost to replace coolant thermostat?

You will pay between $150 and $200 to have your thermostat replaced. The labor should be around $125, while parts should cost you, on average, about $45.

How much does it cost to replace a coolant thermostat?

How much is it to replace a coolant sensor?

The average price for an engine temperature sensor replacement is between $150 and $193. Labor costs are between $82 and $105 while parts are between $66 and $88.

How do I know if my thermostat is stuck open?

Symptoms of a bad thermostat Thermostat stuck open: When the thermostat is stuck open, the engine temperature drops below normal when driving, especially on the highway in cold weather. A stuck-open thermostat can also cause lack of heat from the heating system. The Check Engine light may come on too.

Is it safe to drive with a thermostat stuck open?

If you are driving your vehicle and the thermostat is stuck in the open position, it’s definitely going to cause some problems for you. When your thermostat is unable to properly close when it needs to, the flow of coolant will be unrestricted throughout your engine.

What should I do if I have a p0128 trouble code?

Your intake air temperature sensor, coolant temperature sensor and coolant fan could also signal this trouble code, so these should be inspected after you look over your thermostat and coolant level. Start with the easiest repair solution, which is low coolant levels.

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.

Why is engine code p0128 stored in ECM?

That’s right, the engine can’t get too hot, and it also shouldn’t be excessively cooled. This may not be much of a problem in summer conditions, however, in the wintertime, the engine will run rough if this error code is stored in the vehicle’s ECM.

Why is my Check Engine light illuminated due to p0128?

When your check engine light is illuminated due to trouble code P0128, you may have an issue with your engine thermostat. Here are some helpful steps to take to find out how do I fix trouble code P0128? Learn how to solve this trouble code and repair your thermostat.