A new warning light on your dashboard? You don’t find out why it doesn’t turn off… It’s typical, an automobile is elaborate and there are multiple motives why a light may occur. In the event that your glow plug light comes on while driving your Lexus UX, it may possibly point out different things. In the following paragraphs, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your Lexus UX works, and then the different explanations it lights up when you are driving

glow-plug-light-lexus-ux

What is the goal of my Lexus UX glow plug light?

The main 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 properly. In fact, it must light up when you switch on your Lexus UX 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 expected to stay or come on while driving with your vehicle. However, if it comes on while driving, it may indicate different failures, we will try to point out the most important ones.

What to do if the glow plug light comes on while driving on my Lexus UX?

A glow light that comes on while driving on your Lexus UX or at any other time other than when the engine is started is meant to inform you to a fault other than your spark plugs, we will look at this now. In any case, plug in your car to the diagnostic tool will allow you to precisely interpret the motive for the light up of your glow light.

My Lexus UX glow light comes on and I’m having a loss of power

The first probability is that you identify that your glow plug light comes on while driving your Lexus UX and that you also experience a loss of power. In this case, different complications can demonstrate its lightning. Here is a list of the most important motives:

  • Trouble of EGR valve, in fact, if you suffer 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 Lexus UX because it is one of the problem of which it is designed to warn you. Have the status of your valve looked at
  • Issue 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 performance of the turbo.
  • Issue associated with the injection, either an injector that has seized up or the injection pump that is destroyed by filings or other possible foreign bodies that disrupt its proper performing.
  • Finally, the last issue that could lead to a glow indicator light on your Lexus UX 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 Lexus UX

To conclude, we’ll give you the explanations for a glow plug light that comes on on your Lexus UX without you feeling any difference in power or vehicle behaviour. Ordinarily, this is an electronic fault:

  • Glow plug relays or fuses to be replaced, 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 solve 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 recommend you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • To get more tips on the Lexus UX, take a look at the Lexus UX category.