A new warning light on your dashboard? You don’t understand why it doesn’t turn off… It’s normal, a car is complicated and there are many reasons why a light could occur. In the event that your glow plug light comes on while driving your Chevrolet Cruze, it might reveal some concerns. In this post, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Chevrolet Cruze operates, and then the different reasons it lights up when you are driving

glow-plug-light-chevrolet-cruze

What is the role of my Chevrolet Cruze glow plug light?

The main goal of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to assure that your glow plugs are working properly. In reality, it must light up when you switch on your Chevrolet Cruze to tell you that they are heating the intake air in your cylinders and must go out after a few moments when the engine is running. This preheat light is therefore not meant to stay or come on while driving with your car. Nevertheless, if it turns on while driving, it may suggest several troubles, we will try to detail the most important ones.

What to do if the glow plug light comes on while driving on my Chevrolet Cruze?

A glow light that comes on while driving on your Chevrolet Cruze or at any other time other than when the engine is started is intended to notify you to a problem other than your spark plugs, we will look at this now. Whatever the case, plug in your car to the diagnostic tool will allow you to accurately interpret the reason for the light up of your glow light.

My Chevrolet Cruze glow light comes on and I’m suffering from a loss of power

The first probability is that you notice that your glow plug light comes on while driving your Chevrolet Cruze and that you also encounter a loss of power. In such a case, some trouble can explain its presence. Here is a list of the most important reasons:

  • Trouble of EGR valve, in fact, if you go through a loss of power, it is possible that your EGR valve is clogged, in this case, it is rational that your preheat light comes on while driving on Chevrolet Cruze because it is one of the issue of which it is supposed to alert you. Have the status of your valve checked
  • Issue associated with the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a disturbance in the operation of the turbo.
  • Issue relevant to the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that disturb its proper performing.
  • Finally, the last trouble that could lead to a glow indicator light on your Chevrolet Cruze coupled with a loss of power, is that your fuel filter is too dirty, you should encounter jerks because of a bad fuel flow in the engine.

My glow plug light comes on or is flashing but no difference on the performance of my Chevrolet Cruze

To conclude, we’ll give you the reasons for a glow plug light that comes on on your Chevrolet Cruze without you feeling any difference in power or car behaviour. In most cases, this is an electronic problem:

  • Glow plug relays or fuses to be swapped out, test and replace if necessary.
  • A contactor/potentiometer on one of your pedals (brake, accelerator or clutch) has failed, often a simple de-seizure will be enough to solve the trouble.
  • You have a false contact somewhere in your electrical circuit, check the other solutions first because it is not easy to find it alone, we recommend you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • To find more tips on the Chevrolet Cruze, take a look at the Chevrolet Cruze category.