A new light on your dashboard? You don’t understand why it doesn’t switch off… It’s typical, an automobile is complicated and there are various causes why a light may occur. If your glow plug light comes on while driving your Buick Enclave, it may possibly point out different issues. In the following paragraphs, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Buick Enclave works, and then the different causes it lights up when you are driving

glow-plug-light-buick-enclave

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

The primary goal of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to make sure that your glow plugs are working effectively. In reality, it must light up when you switch on your Buick Enclave 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 expected to stay or come on while driving with your car. However, if it turns on while driving, it may indicate multiple issues, we will try to explain the most important ones.

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

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

My Buick Enclave glow light comes on and I’m suffering from a loss of power

The first situation is that you recognize that your glow plug light comes on while driving your Buick Enclave and that you also encounter a loss of power. In this case, different problems can demonstrate its lightning. Here is a list of the most important causes:

  • Issue of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is blocked, in such a case, it is expected that your preheat light comes on while driving on Buick Enclave because it is one of the problem of which it is supposed to notify you. Have the status of your valve examined
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can bring about turbo boost and a perturbation 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 disturb its proper functioning.
  • Finally, the last trouble that could lead to a glow indicator light on your Buick Enclave 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 Buick Enclave

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

  • Glow plug relays or fuses to be swapped out, 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, test the other alternatives first because it is not easy to find it alone, we recommend you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • If you want more guides on the Buick Enclave, go to our Buick Enclave category.