A new warning light on your dashboard? You don’t find out why it doesn’t turn off… It’s normal, an automobile is elaborate and there are various reasons why a light may come on. In the event that your glow plug light comes on while driving your Chevrolet Equinox, it may signal several things. On this page, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your Chevrolet Equinox operates, and then the different motives it lights up when you are driving


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

The main role of the engine glow plug light, which is generally symbolized by a yellow coil, is to ensure that your glow plugs are working correctly. In fact, it must light up when you switch on your Chevrolet Equinox to tell you that they are heating the intake air in your cylinders and must go out after a few minutes when the engine is running. This preheat light is therefore not supposed to stay or come on while driving with your car. But, if it comes on while driving, it may suggest multiple issues, we will try to explain the main ones.

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

A glow light that comes on while driving on your Chevrolet Equinox or at any other time other than when the engine is started is designed to warn you to a fault other than your spark plugs, we will take a look at this now. Whatever the case, plug in your car to the diagnostic tool will allow you to precisely understand the motive for the light up of your glow light.

My Chevrolet Equinox glow light comes on and I’m encountering a loss of power

The first possibility is that you identify that your glow plug light comes on while driving your Chevrolet Equinox and that you also knowledge a loss of power. In this instance, several concerns can describe its lightning. Here is a list of the main reasons:

  • Issue of EGR valve, indeed, if you go through a loss of power, it is possible that your EGR valve is clogged, in such a case, it is logical that your preheat light comes on while driving on Chevrolet Equinox because it is one of the failures of which it is supposed to alert you. Have the status of your valve examined
  • Issue related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to turbo boost and a perturbation in the operation of the turbo.
  • Issue linked to the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that affect its proper operation.
  • Finally, the last problem that could lead to a glow indicator light on your Chevrolet Equinox coupled with a loss of power, is that your fuel filter is too dirty, you should experience 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 Equinox

Finally, we’ll give you the motives for a glow plug light that comes on on your Chevrolet Equinox without you feeling any difference in power or car behaviour. Ordinarily, this is an electronic fault:

  • 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 get rid of the problem.
  • You have a false contact somewhere in your electrical circuit, check the other options first because it is not easy to find it alone, we advise you to go to your technician.
  • Faulty injection pressure sensor, ECU error
  • If you wish more guides on the Chevrolet Equinox, go to our Chevrolet Equinox category.