It is rarely ever pleasurable to acknowledge an injector noise on your Nissan Micra 2. It is a noise that arises continually, usually when you accelerate or your engine is idling. However, this symptom may be connected to multiple kind of complications with your vehicle injectors. It may not be anything severe, but when a repeated noise appears, you have to be sure. Most importantly since repairing your Nissan Micra 2’s injectors can be expensive. That’s why our team decided to compose this article content in order to support you see more clearly, learn about the different conceivable failures and distinguish your problem. To do this, we will first look at the normal function and usefulness of the injectors in your Nissan Micra 2, then at the conceivable causes from which an injector noise may come.injector-noise-nissan-micra-2

Purposes of the injectors

Injectors are a very significant component of the operation of your engine unit. They were released to the modern cars about 20 years ago. Before their arrival, 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 precisely (quantity of fuel injected, air/fuel mixture) via the analysis of the data received 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 coming from the injectors of your Nissan Micra 2

Experiencing injector noises on your Nissan Micra 2 may result from different locations, we will now center on the potential triggers of these. In most cases, the regular 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 acknowledge another clicking noise but it is not from your injectors, we encourage you to browse this article content about clicking noise on Nissan Micra 2 to discover the cause.

The explanations for injector clicking or knocking noise Nissan Micra 2

A clicking or knocking noise from your injectors can be justified by different explanations. In fact, the injectors of your Nissan Micra 2 have three main tasks, to manage the vaporisation of the fuel, i.e., to convert the liquid into “gas” during injection, to facilitate its combustion. Then, its mission is to manage the air/fuel dosage and finally the homogeneity of the mixture, always with the objective of improving combustion. If one of these three tasks is modified, 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 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 Nissan Micra 2. The main cause of these concerns usually originates from a particle that gets into the injectors. The accuracy of the injector being in the nanometer range, any possible blockage will inevitably cause a malfunction of the injector. If after verifying, this noise originates from another part of the engine of your Nissan Micra 2, have a look at this article content for more infos.

The repercussions of injector noise on Nissan Micra 2

Now that we have analyzed the diverse reasons for injector noise on your Nissan Micra 2, we will end by stating the possible side effects of malfunctioning one or more of your injectors. Whether only one is clogged, 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 unit 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 consequences felt by drivers is a significant loss of power. In fact, if your engine is running on 3 out of 4 cylinders for example, you will undoubtedly have a loss of power
Finally, you risk deteriorating one of your pistons or your engine. Poor combustion will promptly affect your cylinders or pistons and your engine may tighten.
Here are three little suggestions 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 swapping your diesel fuel filter regularly>