A new light on your dashboard? You don’t understand why it doesn’t shut off… It’s typical, a vehicle is complicated and there are many causes why a light could occur. In the event that your glow plug light comes on while driving your volvo v90, it might signal several issues. On this page, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your volvo v90 functions, and then the different explanations it lights up when you are driving

glow-plug-light-volvo-v90

What is the goal of my volvo v90 glow plug light?

The primary purpose of the engine glow plug light, which is generally represented 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 volvo v90 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 car. However, if it comes on while driving, it may indicate different issues, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my volvo v90?

A glow light that comes on while driving on your volvo v90 or at any other time other than when the engine is started is designed to warn you to a fault other than your spark plugs, we will take a look at this right now. No matter the reason, a switch to the diagnostic tool will allow you to carefully understand the motive for the light up of your glow light.

My volvo v90 glow light comes on and I’m having a loss of power

The first situation is that you recognize that your glow plug light comes on while driving your volvo v90 and that you also knowledge a loss of power. In this instance, several trouble can describe its lightning. Here is a list of the main causes:

  • Problem of EGR valve, in fact, if you go through a loss of power, it is possible that your EGR valve is blocked, in such a case, it is obvious that your preheat light comes on while driving on volvo v90 because it is one of the problem of which it is designed to warn you. Have the status of your valve tested
  • Trouble associated with the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to turbo boost and a perturbation in the performance of the turbo.
  • Trouble relevant to 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 problem that could lead to a glow indicator light on your volvo v90 coupled with a loss of power, is that your fuel filter is too dirty, you should get 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 volvo v90

To finish , we’ll give you the explanations for a glow plug light that comes on on your volvo v90 without you feeling any difference in power or car behaviour. In most cases, this is an electronic fault:

  • Glow plug relays or fuses to be changed, 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 get rid of the problem.
  • You have a false contact somewhere in your electrical circuit, test the other solutions first because it is not easy to find it alone, we recommend you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • To discover more tips on the volvo v90, take a look at the volvo v90 category.