It is hardly ever pleasant to notice an injector noise on your Nissan Navara. It is a noise that appears repeatedly, usually when you accelerate or your engine is idling. However, this symptom may be related to several types of concerns with your vehicle injectors. It may not be anything serious, but when a recurrent noise arises, you have to be sure. Most importantly since replacing your Nissan Navara’s injectors can be expensive. That’s why our team decided to compose this content in order to help you see more clearly, learn about the different plausible failures and determine your problem. To do this, we will first look at the normal functioning and usefulness of the injectors in your Nissan Navara, then at the plausible triggers from which an injector noise may come.
Purposes of the injectors
Injectors are a very vital component of the operation of your engine. They were launched 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 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 accumulated from the various sensors equipping the vehicle (engine temperature, acceleration level, engine speed, etc.). Their objective 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 origins of a clicking or knocking noise based on the injectors of your Nissan Navara
Listening injector noises on your Nissan Navara may result from different locations, we will now focus on the potential causes of these. In most cases, 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 implemented to get rid of them. If you notice another clicking noise but it is not from your injectors, we encourage you to go through this content about clicking noise on Nissan Navara to locate the trigger.
The causes for injector clicking or knocking noise Nissan Navara
A clicking or knocking noise from your injectors can be justified by different causes. Indeed, the injectors of your Nissan Navara 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 task is to manage 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 disrupted and this will lead to poor combustion. This bad combustion will be a violent explosion in the cylinders resulting from bad timing, or a bad quantity of mixture or finally an inhomogeneous mixture and will provoke thoses knocking or clicking noises on your Nissan Navara. The main trigger 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 blockage will inevitably produce a malfunction of the injector. If after checking, this noise comes from another element of the engine of your Nissan Navara, browse this content for more infos.
The effects of injector noise on Nissan Navara
Now that we have analyzed the several reasons for injector noise on your Nissan Navara, we will end by stating the possible end result 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 consequences which can almost instantly become serious….
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 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 deteriorating 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 associated with 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>
