A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s typical, an auto is elaborate and there are multiple factors why a light could come on. If it turns out your glow plug light comes on while driving your Jaguar E-Pace, it may reveal several problems. In this post, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Jaguar E-Pace operates, and then the different explanations it lights up when you are driving

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What is the goal of my Jaguar E-Pace glow plug light?

The main role of the engine glow plug light, which is most of the time represented by a yellow coil, is to guarantee that your glow plugs are working effectively. Indeed, it must light up when you switch on your Jaguar E-Pace 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 vehicle. Nevertheless, if it turns on while driving, it may reveal several failures, we will try to point out the main ones.

What to do if the glow plug light comes on while driving on my Jaguar E-Pace?

A glow light that comes on while driving on your Jaguar E-Pace or at any other time other than when the engine is started is meant to alert you to a problem other than your spark plugs, we will check out this right now. Whatever the case, connecting your vehicle to the diagnostic tool will allow you to properly translate the motive for the light up of your glow light.

My Jaguar E-Pace glow light comes on and I’m encountering a loss of power

The first possibility is that you recognize that your glow plug light comes on while driving your Jaguar E-Pace and that you also knowledge a loss of power. In this case, several problems can explain its lightning. Here is a list of the main factors:

  • Issue of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is expected that your preheat light comes on while driving on Jaguar E-Pace because it is one of the problem of which it is expected to alert you. Have the status of your valve inspected
  • Problem associated with the turbo overflow valve, in this situation the ECU can no longer control 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 malfunctioned by filings or other possible foreign bodies that affect its proper operation.
  • Finally, the last issue that could lead to a glow indicator light on your Jaguar E-Pace 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 Jaguar E-Pace

To conclude, we’ll give you the explanations for a glow plug light that comes on on your Jaguar E-Pace without you feeling any difference in power or vehicle behaviour. In most cases, this is an electronic problem:

  • Glow plug relays or fuses to be replaced, 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 get rid of the issue.
  • You have a false contact somewhere in your electrical circuit, check the other options 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

    • To find more tips on the Jaguar E-Pace, take a look at the Jaguar E-Pace category.