It is rarely ever pleasant to perceive an injector noise on your Toyota Hilux 3. It is a noise that appears continually, usually when you accelerate or your engine is idling. However, this symptom may be linked to several types of problems with your automobile injectors. It may not be anything major, but when a frequent noise happens, you have to be sure. Specifically since fixing your Toyota Hilux 3’s injectors can be expensive. That’s why our team decided to produce this content in order to help you see more clearly, learn about the different possible failures and establish your problem. To do this, we will first look at the normal running and usefulness of the injectors in your Toyota Hilux 3, then at the possible reasons from which an injector noise may come.injector-noise-toyota-hilux-3

Benefits of the injectors

Injectors are a very important element of the operation of your engine motor. They were released to the modern vehicles about 20 years ago. Before their arrival, 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 possibility, 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 compiled from the various sensors equipping the automobile (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 based on the injectors of your Toyota Hilux 3

Listening injector noises on your Toyota Hilux 3 may result from different origins, we will now center on the potential triggers of these. In most cases, the typical noise of a faulty injector is of the snap type. Here are the different origins of these noises and the solutions to be applied to get rid of them. If you perceive another clicking noise but it is not from your injectors, we recommend you to examine this content about clicking noise on Toyota Hilux 3 to locate the reason.

The explanations for injector clicking or knocking noise Toyota Hilux 3

A clicking or knocking noise from your injectors can be justified by different explanations. Indeed, the injectors of your Toyota Hilux 3 have three main tasks, to control the vaporisation of the fuel, i.e., to transform the liquid into “gas” during injection, to ease its combustion. Then, its goal is to control 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 modified, 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 induce thoses knocking or clicking noises on your Toyota Hilux 3. The main reason of these situations commonly comes from a particle that gets into the injectors. The accuracy of the injector being in the nanometer range, any possible obstruction will inevitably cause a malfunction of the injector. If after verifying, this noise comes from another component of the engine of your Toyota Hilux 3, browse this content for more infos.

The end result of injector noise on Toyota Hilux 3

Now that we have reviewed the different causes for injector noise on your Toyota Hilux 3, we will end by stating the possible consequences of malfunctioning one or more of your injectors. Whether only one is obstructed, or broken, or your entire fuel rail is involved, you cannot escape these effects 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 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 almost instantly affect your cylinders or pistons and your engine may tighten.
Here are three little recommendations 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>