It is never pleasant to listen an injector noise on your Toyota Auris. It is a noise that happens regularly, usually when you accelerate or your engine is idling. However, this warning sign may be linked to different types of trouble with your vehicle injectors. It may not be anything serious, but when a persistent noise arises, you have to be sure. Especially since replacing your Toyota Auris’s injectors can be costly. That’s why our team decided to prepare this content in order to help you see more clearly, learn about the different possible failures and establish your trouble. To do this, we will first look at the normal function and usefulness of the injectors in your Toyota Auris, then at the possible triggers from which an injector noise may come.
Benefits of the injectors
Injectors are a very important part of the operation of your engine motor. They were introduced to the modern automobiles about 20 years ago. Before their introduction, 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 opportunity, thanks to the injectors pump, to control electronically each stage of the intake process very precisely (quantity of fuel injected, air/fuel mixture) via the analysis of the data accumulated from the various sensors equipping the vehicle (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 obtain the best possible combustion in the cylinders.
The different origins of a clicking or knocking noise based on the injectors of your Toyota Auris
Discovering injector noises on your Toyota Auris may originate from different origins, we will now concentrate on the potential triggers of these. Generally, the usual noise of a faulty injector is of the snap type. Here are the different sources of these noises and the solutions to be put into practice to eliminate them. If you listen another clicking noise but it is not from your injectors, we recommend you to examine this content about clicking noise on Toyota Auris to locate the reason.
The causes for injector clicking or knocking noise Toyota Auris
A clicking or knocking noise from your injectors can be justified by different causes. Indeed, the injectors of your Toyota Auris have three main missions, to control the vaporisation of the fuel, i.e., to convert 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 aim of improving combustion. If one of these three characteristics is altered, the main purpose 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 provoke thoses knocking or clicking noises on your Toyota Auris. The main reason of these problems in most cases comes from a particle that gets into the injectors. The accuracy of the injector being in the nanometer range, any possible blockage will inevitably end in a malfunction of the injector. If after checking, this noise comes from another part of the engine of your Toyota Auris, read this content for more informations.
The end result of injector noise on Toyota Auris
Now that we have examined the different causes for injector noise on your Toyota Auris, we will end by stating the possible side effects of malfunctioning one or more of your injectors. Whether only one is blocked, or broken, or your entire fuel rail is involved, you cannot escape these side effects which can promptly become considerable….
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 effects felt by drivers is a severe loss of power. Indeed, if your engine is running on 3 out of 4 cylinders for example, you will obviously 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 suggestions to limit the risks relating 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 swapping your diesel fuel filter regularly>
