It is rarely ever pleasurable to experience an injector noise on your Toyota Sequoia. It is a noise that appears repeatedly, usually when you accelerate or your engine is idling. However, this indication may be connected to multiple types of concerns with your vehicle injectors. It may not be anything serious, but when a recurrent noise appears, you have to be sure. Specifically since replacing your Toyota Sequoia’s injectors can be expensive. That’s why our team decided to write this content in order to support you see more clearly, learn about the different conceivable failures and establish your problem. To do this, we will first look at the normal running and usefulness of the injectors in your Toyota Sequoia, then at the conceivable reasons from which an injector noise may come.injector-noise-toyota-sequoia

Purposes of the injectors

Injectors are a very fundamental component of the operation of your engine motor. They were launched to the modern cars 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 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 collected 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 causes of a clicking or knocking noise based on the injectors of your Toyota Sequoia

Listening injector noises on your Toyota Sequoia may come from different sources, we will now concentrate on the potential causes of these. In most cases, the common 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 get rid of them. If you experience another clicking noise but it is not from your injectors, we advise you to examine this content about clicking noise on Toyota Sequoia to discover the cause.

The reasons for injector clicking or knocking noise Toyota Sequoia

A clicking or knocking noise from your injectors can be justified by different reasons. Indeed, the injectors of your Toyota Sequoia have three main missions, to manage the vaporisation of the fuel, i.e., to transform the liquid into “gas” during injection, to facilitate its combustion. Then, its objective is to control the air/fuel dosage and at last the homogeneity of the mixture, always with the goal of improving combustion. If one of these three tasks 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 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 Toyota Sequoia. The main cause of these problems 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 checking, this noise originates from another component of the engine of your Toyota Sequoia, read this content for more informations.

The effects of injector noise on Toyota Sequoia

Now that we have analyzed the diverse causes for injector noise on your Toyota Sequoia, we will end by stating the possible side effects of malfunctioning one or more of your injectors. Whether only one is clogged, or damaged, or your entire fuel rail is involved, you cannot escape these side 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 regular effects 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 harm your cylinders or pistons and your engine may tighten.
Here are three little suggestions 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>