A new warning light on your dashboard? You don’t figure out why it doesn’t switch off… It’s normal, an auto is elaborate and there are many reasons why a light might occur. In the event that your glow plug light comes on while driving your Buick Regal, it might signify some issues. In this article, we will do anything we can to support you see things more clearly. First, we will find out how the preheating light on your Buick Regal operates, and then the different explanations it lights up when you are driving

glow-plug-light-buick-regal

What is the goal of my Buick Regal glow plug light?

The primary intent of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to assure that your glow plugs are working effectively. In reality, it must light up when you switch on your Buick Regal 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 car. However, if it comes on while driving, it may indicate multiple troubles, we will try to summarize the most important ones.

What to do if the glow plug light comes on while driving on my Buick Regal?

A glow light that comes on while driving on your Buick Regal or at any other time other than when the engine is started is designed to inform you to a problem other than your spark plugs, we will look at this now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to accurately translate the reason for the light up of your glow light.

My Buick Regal glow light comes on and I’m having a loss of power

The first situation is that you recognize that your glow plug light comes on while driving your Buick Regal and that you also experience a loss of power. In this case, some trouble can describe its presence. Here is a list of the most important reasons:

  • Problem of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is blocked, in this case, it is obvious that your preheat light comes on while driving on Buick Regal because it is one of the failures of which it is intended to notify you. Have the status of your valve looked at
  • Problem linked 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.
  • Problem related 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 affect its proper operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Buick Regal 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 Buick Regal

Finally, we’ll give you the explanations for a glow plug light that comes on on your Buick Regal 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 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 trouble.
  • 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 suggest you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • In the event that you have any further questions about the Buick Regal, do not hesitate to consult our Buick Regal category.