Where is the temperature sensor on a Chevy HHR?

You need to change the thermostat, which is located in the coolant passage between the engine and the radiator. When it reaches 80 degrees, it must open itself to give way to the coolant that the engine requires. Its rubber must be worn and thus the coolant circulates freely, nullifying the temperature sensor.

Is there a problem with the HHR sensor?

The agency has supposedly replaced the temperature sensor but the problem has not been solved. The car does not overheat and the cooling fans are working. The Check Engine does also turn on but, when the computer is installed, no failure is detected. It is the HHR most common failure.

When to change the HHR on a check engine?

The Check Engine does also turn on but, when the computer is installed, no failure is detected. It is the HHR most common failure. You need to change the thermostat, which is located in the coolant passage between the engine and the radiator. When it reaches 80 degrees, it must open itself to give way to the coolant that the engine requires.

Where is the coolant temperature sensor located on a car?

The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. In the image above, you can see that most coolant temperature sensors are located on the top, driver side of the engine. However, the location of this sensor may be different with your specific engine.

Why is my HHR not working on my car?

It is the HHR most common failure. You need to change the thermostat, which is located in the coolant passage between the engine and the radiator. When it reaches 80 degrees, it must open itself to give way to the coolant that the engine requires. Its rubber must be worn and thus the coolant circulates freely, nullifying the temperature sensor.

When does the HHR stop measuring the temperature?

I have an HHR 2007 that, when reaching 80 degrees, it will stop measuring the temperature; both the analog and the digital boards indicate “—” and the air conditioning won’t start.

What to do if your car heater is not working?

Solution: Set the heater to its maximum setting, remove the coolant tank cap and fill it to the proper level. Start the engine with cap still open and let the engine idle for a few minutes. If the coolant level should drop as the thermostat opens, top it up as necessary.

Why is my HHR not working on my 2009 Chevy?

I had the same issue with the temp not reading and A/C not working on 2009 HHR. No needle gauge reading and — reading for on board computer for engine temperature. I replaced the temperature sensor located on drivers side towards rear of engine (make sure to let engine cool down and use a drip pan) and it was still not working.

What does the temp sensor on a Chevy HHR mean?

The A/C was now working and now all I needed was a check engine light reading (TEMP SENSOR/THERMOSTAT). The parts associate told me to disconnect the battery to reset it. I drove it for a few more miles to make sure everything was still working well and the check engine light disappeared.

Where is the HHR thermostat located on a Chevy?

I have an HHR 2007 that, when reaching 80 degrees, it will stop measuring the temperature; both the analog and the digital boards indicate “—” and the air conditioning won’t start.

What does the code below temp mean on a Chevy HHR?

Chevy HHR P0128: Coolant Thermostat – Below Temp. P0128 is a relatively common OBDII trouble code. It is triggered when your Chevy HHR ‘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+).

Is the Chevy HHR coolant thermostat too low?

The fan can come on at any time. P0128 is not a serious threat to the immediate drivability of your HHR. It should be noted that most modern fuel injected engines to like to run at 200+ degrees. Letting them run too cool can problems after an extended period of time.

What are the symptoms of Chevy HHR p0128 trouble code?

Here are the symptoms associated with this trouble code: Lack of heat – The biggest symptom of the P0128 trouble code in the Chevy HHR 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 should coolant temp be when car is cold?

If you have a scan tool with live data, check the engine temperature when the engine is cold, it should be close to outside temperature. Drive a car for 10 minutes and check the engine temperature again, it should be close to 180-220°F or 82-105°C. See the photo. Without a scan tool, the engine temperature sensor can be tested with an ohmmeter.

Why is the needle gauge not working on my Chevy HHR?

4 people found this helpful. I had the same issue with the temp not reading and A/C not working on 2009 HHR. No needle gauge reading and — reading for on board computer for engine temperature.

Why are the gauges on my Chevy HHR not working?

Problems with the gauges on the instrument panel of your Chevrolet HHR truck can be caused by three issues: a faulty fuse, loose electrical wiring or a malfunctioning instrument panel. If the fuse is the issue, replace it to solve the problem. Repairing loose electrical wiring usually means that you simply have to reconnect the them.

What to do if your HHR is not working?

The car does not overheat and the cooling fans are working. The Check Engine does also turn on but, when the computer is installed, no failure is detected. It is the HHR most common failure. You need to change the thermostat, which is located in the coolant passage between the engine and the radiator.