A new warning light on your dashboard? You don’t figure out why it doesn’t turn off… It’s normal, an auto is complicated and there are various causes why a light may occur. If your glow plug light comes on while driving your Toyota Camry, it might show several problems. In this article, we will do anything we can to support you see things more clearly. First, we will discover how the preheating light on your Toyota Camry functions, and then the different explanations it lights up when you are driving

glow-plug-light-toyota-camry

What is the goal of my Toyota Camry glow plug light?

The main intent of the engine glow plug light, which is most of the time represented by a yellow coil, is to make sure that your glow plugs are working properly. In fact, it must light up when you switch on your Toyota Camry 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 meant to stay or come on while driving with your car. Nevertheless, if it turns on while driving, it may indicate several troubles, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Toyota Camry?

A glow light that comes on while driving on your Toyota Camry or at any other time other than when the engine is started is designed to notify you to a problem other than your spark plugs, we will take a look at this right now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to accurately translate the motive for the light up of your glow light.

My Toyota Camry glow light comes on and I’m experiencing a loss of power

The first possibility is that you detect that your glow plug light comes on while driving your Toyota Camry and that you also knowledge a loss of power. In such a case, several problems can describe its presence. Here is a list of the main causes:

  • Issue of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this case, it is logical that your preheat light comes on while driving on Toyota Camry because it is one of the issue of which it is expected to notify you. Have the status of your valve checked out
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a perturbation in the operation of the turbo.
  • Problem in connection with the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that affect its proper performing.
  • Finally, the last problem that could lead to a glow indicator light on your Toyota Camry coupled with a loss of power, is that your fuel filter is too dirty, you should come to 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 Toyota Camry

To conclude, we’ll give you the explanations for a glow plug light that comes on on your Toyota Camry without you feeling any difference in power or car behaviour. In general, this is an electronic problem:

  • 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 problem.
  • 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 advise you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • If you have any additional questions about the Toyota Camry, do not hesitate to consult our Toyota Camry category.