A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s normal, an auto is complicated and there are many reasons why a light may occur. If your glow plug light comes on while driving your Acura TSX, it may signify different issues. On this page, we will do everything we can to help you see things more clearly. First, we will find out how the preheating light on your Acura TSX functions, and then the different causes it lights up when you are driving

glow-plug-light-acura-tsx

What is the purpose of my Acura TSX glow plug light?

The primary role of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to guarantee that your glow plugs are working properly. Indeed, it must light up when you switch on your Acura TSX 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 automobile. Nevertheless, if it turns on while driving, it may suggest several troubles, we will try to detail the main ones.

What to do if the glow plug light comes on while driving on my Acura TSX?

A glow light that comes on while driving on your Acura TSX or at any other time other than when the engine is started is intended to notify you to a fault other than your spark plugs, we will take a look at this now. Whatever the case, a switch to the diagnostic tool will allow you to precisely translate the cause for the light up of your glow light.

My Acura TSX glow light comes on and I’m having a loss of power

The first possibility is that you detect that your glow plug light comes on while driving your Acura TSX and that you also experience a loss of power. In this instance, different concerns can explain its presence. 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 blocked, in this instance, it is rational that your preheat light comes on while driving on Acura TSX because it is one of the problem of which it is expected to warn you. Have the status of your valve checked out
  • 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 perturbation in the performance of the turbo.
  • Problem associated with the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that disturb its proper performance.
  • Finally, the last trouble that could lead to a glow indicator light on your Acura TSX 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 Acura TSX

To finish , we’ll give you the causes for a glow plug light that comes on on your Acura TSX without you feeling any difference in power or automobile behaviour. Ordinarily, this is an electronic fault:

  • Glow plug relays or fuses to be changed, 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 fix the trouble.
  • You have a false contact somewhere in your electrical circuit, check the other solutions first because it is not easy to find it alone, we encourage you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • To find more tips on the Acura TSX, take a look at the Acura TSX category.