A new light on your dashboard? You don’t figure out why it doesn’t switch off… It’s normal, an automobile is complicated and there are various motives why a light could come on. In cases where your glow plug light comes on while driving your Honda Accord, it might suggest several problems. In this post, we will do everything we can to help you see things more clearly. First, we will discover how the preheating light on your Honda Accord operates, and then the different reasons it lights up when you are driving

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What is the goal of my Honda Accord glow plug light?

The main intent of the engine glow plug light, which is generally symbolized by a yellow coil, is to guarantee that your glow plugs are working correctly. In fact, it must light up when you switch on your Honda Accord 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 turns on while driving, it may reveal multiple troubles, we will try to summarize the main ones.

What to do if the glow plug light comes on while driving on my Honda Accord?

A glow light that comes on while driving on your Honda Accord or at any other time other than when the engine is started is meant to inform you to a problem other than your spark plugs, we will look at this right now. Whatever the case, a switch to the diagnostic tool will allow you to properly interpret the motive for the light up of your glow light.

My Honda Accord glow light comes on and I’m suffering from a loss of power

The first probability is that you recognize that your glow plug light comes on while driving your Honda Accord and that you also experience a loss of power. In this case, several complications can describe its presence. Here is a list of the main motives:

  • 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 Honda Accord because it is one of the issue of which it is expected to alert 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 perturbation in the performance of the turbo.
  • Problem linked 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 disrupt its proper function.
  • Finally, the last problem that could lead to a glow indicator light on your Honda Accord 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 Honda Accord

To conclude, we’ll give you the reasons for a glow plug light that comes on on your Honda Accord without you feeling any difference in power or vehicle behaviour. Generally, 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 solve the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other alternatives first because it is not easy to find it alone, we advise you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • To find more tips on the Honda Accord, take a look at the Honda Accord category.