A new light on your dashboard? You don’t find out why it doesn’t switch off… It’s typical, an auto is elaborate and there are many reasons why a light could come on. If your glow plug light comes on while driving your Chevrolet Malibu, it might signify several issues. In this article, we will do everything we can to help you see things more clearly. First, we will see how the preheating light on your Chevrolet Malibu works, and then the different motives it lights up when you are driving

glow-plug-light-chevrolet-malibu

What is the goal of my Chevrolet Malibu glow plug light?

The main role of the engine glow plug light, which is generally symbolized by a yellow coil, is to make sure that your glow plugs are working properly. In reality, it must light up when you switch on your Chevrolet Malibu 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 meant to stay or come on while driving with your automobile. But, if it comes on while driving, it may show different 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 Malibu?

A glow light that comes on while driving on your Chevrolet Malibu or at any other time other than when the engine is started is designed to alert you to a problem other than your spark plugs, we will take a look at this right now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to carefully understand the cause for the light up of your glow light.

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

The first possibility is that you perceive that your glow plug light comes on while driving your Chevrolet Malibu and that you also encounter a loss of power. In this instance, several complications can explain its presence. Here is a list of the most important reasons:

  • Problem of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is clogged, in this case, it is obvious that your preheat light comes on while driving on Chevrolet Malibu because it is one of the issue of which it is designed to warn you. Have the status of your valve examined
  • Problem related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can cause turbo boost and a disturbance in the operation of the turbo.
  • Problem relevant 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 performance.
  • Finally, the last issue that could lead to a glow indicator light on your Chevrolet Malibu coupled with a loss of power, is that your fuel filter is too dirty, you should come to feel 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 Malibu

To conclude, we’ll give you the motives for a glow plug light that comes on on your Chevrolet Malibu without you feeling any difference in power or automobile behaviour. In general, this is an electronic problem:

  • Glow plug relays or fuses to be replaced, test and change 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 resolve the issue.
  • You have a false contact somewhere in your electrical circuit, test the other alternatives 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 have any additional questions about the Chevrolet Malibu, do not hesitate to consult our Chevrolet Malibu category.