A new light on your dashboard? You don’t understand why it doesn’t turn off… It’s normal, a vehicle is elaborate and there are various causes why a light may come on. In the event that your glow plug light comes on while driving your Honda Odyssey, it may possibly reveal different problems. In this article, we will do everything we can to help you see things more clearly. First, we will see how the preheating light on your Honda Odyssey works, and then the different causes it lights up when you are driving

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

The primary purpose of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to make sure that your glow plugs are working properly. Indeed, it must light up when you switch on your Honda Odyssey 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 supposed to stay or come on while driving with your vehicle. However, if it comes on while driving, it may suggest multiple failures, we will try to explain the main ones.

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

A glow light that comes on while driving on your Honda Odyssey 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 check out this right now. Whatever the case, connecting your vehicle to the diagnostic tool will allow you to precisely interpret the motive for the light up of your glow light.

My Honda Odyssey glow light comes on and I’m going through a loss of power

The first situation is that you perceive that your glow plug light comes on while driving your Honda Odyssey and that you also knowledge a loss of power. In such a case, different trouble can explain its lightning. Here is a list of the main causes:

  • Problem of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is clogged, in such a case, it is logical that your preheat light comes on while driving on Honda Odyssey because it is one of the problem of which it is meant to alert you. Have the status of your valve checked out
  • Problem linked 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 disturbance in the performance of the turbo.
  • Problem 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 disturb its proper operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Honda Odyssey 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 Odyssey

To conclude, we’ll give you the causes for a glow plug light that comes on on your Honda Odyssey without you feeling any difference in power or vehicle behaviour. In general, 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 resolve the trouble.
  • You have a false contact somewhere in your electrical circuit, check the other alternatives first because it is not easy to find it alone, we advise you to go to your technician.
  • Faulty injection pressure sensor, ECU error

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