When to change the glow plugs

The glow plugs are part of the diesel engine of the car and its main function is, once the car is running , to help it not contaminate with the generation of black smoke. In addition, in the older diesel engine models, the glow plugs work during start-up, to heat the combustion chambers of the cylinders. As we see, they have a key role in the engine system. For good maintenance, in .com we explain when to change the glow plugs .

Steps to follow:

one

In the manual of mechanics of our car, if it is complete, they should indicate us the recommended period of useful life of the glow plugs, after which they would stop working correctly. We must never exceed this time, but depending on how we use the car, we may have to do it before.

two

In the event that we do not notice any problems previously, when the car has a route of 120, 000 kilometers, we should already consider replacing the glow plugs .

3

If during the march or at the time of starting the car, we notice that a lot of black smoke comes out of the exhaust pipe, this can be due to the failure of a glow plug . Even if only one is broken, we will have to change them all, to avoid imbalances in the system.

4

Another symptom that tells us that we should change the glow plugs is that the car is too hard to start, especially when the external temperature is lower than usual.

5

During the engine's ignition, a yellow light with the symbol of a spring or resistance lights up on the car's dashboard. This is normal, but if this warning continues on during the march, we must proceed to change the glow plugs .