It is rarely ever enjoyable to acknowledge an injector noise on your Kia Rio 3. It is a noise that arises regularly, usually when you accelerate or your engine is idling. However, this sign may be relating to different sort of trouble with your automobile injectors. It may not be anything serious, but when a recurrent noise arises, you have to be sure. Specifically since repairing your Kia Rio 3’s injectors can be expensive. That’s why our team chose to compose this content page in order to support you see more clearly, learn about the different conceivable failures and determine your issue. To do this, we will first look at the normal function and usefulness of the injectors in your Kia Rio 3, then at the conceivable triggers from which an injector noise may come.injector-noise-kia-rio-3

Purposes of the injectors

Injectors are a very fundamental element of the operation of your engine motor. They were launched to the modern automobiles about 20 years ago. Before their appearance, more conventional carburettor-type intake systems were employed, which handled the intake of air and fuel into the engine cylinders. With the injectors, manufacturers now have the ability, thanks to the injectors pump, to control electronically each stage of the intake process very accurately (quantity of fuel injected, air/fuel mixture) via the analysis of the data obtained from the various sensors equipping the automobile (engine temperature, acceleration level, engine speed, etc.). Their aim is therefore to inject under high pressure a precise quantity of an air/fuel mixture at a perfect timing to obtain the best possible combustion in the cylinders.

The different causes of a clicking or knocking noise based on the injectors of your Kia Rio 3

Hearing injector noises on your Kia Rio 3 may originate from different sources, we will now look into the potential triggers of these. In most cases, the regular noise of a faulty injector is of the snap type. Here are the several sources of these noises and the solutions to be put into practice to stop them. If you acknowledge another clicking noise but it is not from your injectors, we encourage you to read this content page about clicking noise on Kia Rio 3 to locate the trigger.

The causes for injector clicking or knocking noise Kia Rio 3

A clicking or knocking noise from your injectors can be justified by different causes. Indeed, the injectors of your Kia Rio 3 have three main missions, to manage the vaporisation of the fuel, i.e., to convert the liquid into “gas” during injection, to facilitate its combustion. Then, its mission is to control the air/fuel dosage and finally the homogeneity of the mixture, always with the target of improving combustion. If one of these three features is altered, the main role of the injectors will be disturbed and this will lead to poor combustion. This bad combustion will be a violent explosion in the cylinders due to bad timing, or a bad quantity of mixture or finally an inhomogeneous mixture and will trigger thoses knocking or clicking noises on your Kia Rio 3. The main trigger of these trouble usually originates from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible obstruction will inevitably cause a malfunction of the injector. If after verifying, this noise originates from another part of the engine of your Kia Rio 3, read this content page for more infos.

The end result of injector noise on Kia Rio 3

Now that we have reviewed the several causes for injector noise on your Kia Rio 3, we will end by stating the possible end result of malfunctioning one or more of your injectors. Whether only one is obstructed, or damaged, or your entire fuel rail is involved, you cannot escape these repercussions which can almost instantly become critical….
First, you risk destroying your exhaust system in the long run, because the unburned fuel residues that will end up in your exhaust system can corrode the metal in it.
One of the most known repercussions noticed by drivers is a serious loss of power. Indeed, if your engine is running on 3 out of 4 cylinders for example, you will surely have a loss of power
Finally, you risk degrading one of your pistons or your engine. Poor combustion will almost instantly affect your cylinders or pistons and your engine may tighten.
Here are three little tips to limit the risks connected to your injectors and protect you from engine failure:

  • Do not drive at the bottom of the tank, as you may absorb impurities
  • Use quality fuel
  • Think of changing your diesel fuel filter regularly>