A new warning light on your dashboard? You don’t understand why it doesn’t shut off… It’s normal, a car is elaborate and there are various motives why a light may come on. In the event that your glow plug light comes on while driving your Chevrolet Spark, it may possibly signal different 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 Spark functions, and then the different reasons it lights up when you are driving

glow-plug-light-chevrolet-spark

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

The main intent of the engine glow plug light, which is in most cases represented by a yellow coil, is to ensure that your glow plugs are working properly. In fact, it must light up when you switch on your Chevrolet Spark 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 supposed to stay or come on while driving with your automobile. Nevertheless, if it comes on while driving, it may show multiple failures, we will try to detail the most important ones.

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

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

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

The first possibility is that you notice that your glow plug light comes on while driving your Chevrolet Spark and that you also experience a loss of power. In this instance, different concerns can demonstrate its lightning. Here is a list of the most important motives:

  • Problem of EGR valve, in reality, if you suffer a loss of power, it is possible that your EGR valve is blocked, in this case, it is rational that your preheat light comes on while driving on Chevrolet Spark because it is one of the failures of which it is intended to alert you. Have the status of your valve checked out
  • Issue related to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a disturbance in the performance of the turbo.
  • Issue linked to the injection, either an injector that has seized up or the injection pump that is malfunctioned by filings or other possible foreign bodies that disturb its proper operation.
  • Finally, the last issue that could lead to a glow indicator light on your Chevrolet Spark coupled with a loss of power, is that your fuel filter is too dirty, you should 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 Spark

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

  • Glow plug relays or fuses to be changed, 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, check the other alternatives first because it is not easy to find it alone, we advise you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you need more tutorials on the Chevrolet Spark, go to our Chevrolet Spark category.