It is hardly ever pleasurable to listen to an injector noise on your Nissan Maxima. It is a noise that happens frequently, usually when you accelerate or your engine is idling. However, this warning sign may be connected to multiple sort of complications with your car injectors. It may not be anything severe, but when a recurrent noise happens, you have to be sure. Specifically since fixing your Nissan Maxima’s injectors can be expensive. That’s why our team decided to prepare this article in order to help you see more clearly, learn about the different possible failures and identify your problem. To do this, we will first look at the normal running and usefulness of the injectors in your Nissan Maxima, then at the possible reasons from which an injector noise may come.
Purposes of the injectors
Injectors are a very vital part of the operation of your engine motor. 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 opportunity, 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 received from the various sensors equipping the car (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 causes of a clicking or knocking noise based on the injectors of your Nissan Maxima
Discovering injector noises on your Nissan Maxima may result from different locations, we will now focus on the potential causes of these. In most cases, the typical noise of a faulty injector is of the snap type. Here are the different sources of these noises and the solutions to be applied to prevent them. If you listen to another clicking noise but it is not from your injectors, we encourage you to read this article about clicking noise on Nissan Maxima to locate the cause.
The causes for injector clicking or knocking noise Nissan Maxima
A clicking or knocking noise from your injectors can be justified by different causes. In fact, the injectors of your Nissan Maxima have three main tasks, to control the vaporisation of the fuel, i.e., to convert the liquid into “gas” during injection, to facilitate its combustion. Then, its mission 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 characteristics is modified, the main role 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 Nissan Maxima. The main cause of these situations in most cases comes from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible obstruction will inevitably lead to a malfunction of the injector. If after verifying, this noise comes from another element of the engine of your Nissan Maxima, browse this article for more informations.
The end result of injector noise on Nissan Maxima
Now that we have reviewed the several causes for injector noise on your Nissan Maxima, we will end by stating the possible side effects of malfunctioning one or more of your injectors. Whether only one is obstructed, or damaged, or your entire fuel rail is involved, you cannot escape these repercussions which can quickly become severe….
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 consequences noticed by drivers is a noticeable loss of power. In fact, 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 quickly damage your cylinders or pistons and your engine may tighten.
Here are three little suggestions to limit the risks connected 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 swapping your diesel fuel filter regularly>
