It is never enjoyable to notice an injector noise on your Kia Niro. It is a noise that appears continually, usually when you accelerate or your engine is idling. However, this warning sign may be related to several types of complications with your car injectors. It may not be anything severe, but when a continuing noise comes out, you have to be sure. Especially since repairing your Kia Niro’s injectors can be costly. That’s why our team decided to compose this content page in order to support you see more clearly, learn about the different plausible failures and establish your trouble. To do this, we will first look at the normal running and usefulness of the injectors in your Kia Niro, then at the plausible triggers from which an injector noise may come.
Purposes of the injectors
Injectors are a very vital element of the operation of your engine motor. They were released to the modern vehicles about 20 years ago. Before their introduction, more conventional carburettor-type intake systems were used, which handled the intake of air and fuel into the engine cylinders. With the injectors, manufacturers now have the opportunity, 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 accumulated from the various sensors equipping the car (engine temperature, acceleration level, engine speed, etc.). Their goal is therefore to inject under high pressure a precise quantity of an air/fuel mixture at a perfect timing to get the best possible combustion in the cylinders.
The different triggers of a clicking or knocking noise caused by the injectors of your Kia Niro
Hearing injector noises on your Kia Niro may originate from different origins, we will now center on the potential triggers of these. In general, 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 used to eliminate them. If you notice another clicking noise but it is not from your injectors, we advise you to read this content page about clicking noise on Kia Niro to find the reason.
The causes for injector clicking or knocking noise Kia Niro
A clicking or knocking noise from your injectors can be explained for different causes. Indeed, the injectors of your Kia Niro have three main tasks, to control the vaporisation of the fuel, i.e., to transform the liquid into “gas” during injection, to facilitate its combustion. Then, its task is to deal with the air/fuel dosage and finally the homogeneity of the mixture, always with the goal of improving combustion. If one of these three functions is altered, the main functionality of the injectors will be disturbed and this will lead to poor combustion. This bad combustion will be a violent explosion in the cylinders as a consequence of bad timing, or a bad quantity of mixture or finally an inhomogeneous mixture and will induce thoses knocking or clicking noises on your Kia Niro. The main reason of these concerns in most cases comes from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible blockage will inevitably cause a malfunction of the injector. If after verifying, this noise comes from another component of the engine of your Kia Niro, browse this content page for more infos.
The effects of injector noise on Kia Niro
Now that we have analyzed the several reasons for injector noise on your Kia Niro, we will end by stating the possible effects 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 consequences which can promptly become major….
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 common repercussions noticed by drivers is a noticeable loss of power. Indeed, if your engine is running on 3 out of 4 cylinders for example, you will undoubtedly have a loss of power
Finally, you risk degrading one of your pistons or your engine. Poor combustion will promptly harm your cylinders or pistons and your engine may tighten.
Here are three little recommendations to limit the risks linked 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>
