It is hardly ever enjoyable to listen to an injector noise on your Mercedes Benz S Class. It is a noise that arises continually, usually when you accelerate or your engine is idling. However, this indication may be relating to several kind of trouble with your car injectors. It may not be anything serious, but when a continuing noise appears, you have to be sure. Specifically since repairing your Mercedes Benz S Class’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 possible failures and establish your issue. To do this, we will first look at the normal running and usefulness of the injectors in your Mercedes Benz S Class, then at the possible causes from which an injector noise may come.
Functions of the injectors
Injectors are a very important component 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 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 compiled from the various sensors equipping the car (engine temperature, acceleration level, engine speed, etc.). Their aim 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 coming from the injectors of your Mercedes Benz S Class
Listening injector noises on your Mercedes Benz S Class may originate from different sources, we will now concentrate on the potential causes of these. Generally, the usual noise of a faulty injector is of the snap type. Here are the several origins of these noises and the solutions to be used to prevent them. If you listen to another clicking noise but it is not from your injectors, we suggest you to examine this content about clicking noise on Mercedes Benz S Class to find the cause.
The causes for injector clicking or knocking noise Mercedes Benz S Class
A clicking or knocking noise from your injectors can be justified by different causes. In fact, the injectors of your Mercedes Benz S Class have three main missions, to control the vaporisation of the fuel, i.e., to convert the liquid into “gas” during injection, to facilitate its combustion. Then, its objective is to control the air/fuel dosage and finally the homogeneity of the mixture, always with the target of improving combustion. If one of these three attributes is altered, the main functionality of the injectors will be disturbed and this will lead to poor combustion. This bad combustion will be a violent explosion in the cylinders because of bad timing, or a bad quantity of mixture or finally an inhomogeneous mixture and will induce thoses knocking or clicking noises on your Mercedes Benz S Class. The main cause of these concerns generally originates from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible blockage will inevitably lead to a malfunction of the injector. If after verifying, this noise originates from another component of the engine of your Mercedes Benz S Class, check this content for more informations.
The repercussions of injector noise on Mercedes Benz S Class
Now that we have reviewed the several causes for injector noise on your Mercedes Benz S Class, we will end by stating the possible 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 consequences which can fairly quickly become serious….
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 basic consequences felt by drivers is a distinctive loss of power. In fact, if your engine is running on 3 out of 4 cylinders for example, you will inevitably have a loss of power
Finally, you risk degrading one of your pistons or your engine. Poor combustion will fairly quickly harm your cylinders or pistons and your engine may tighten.
Here are three little recommendations 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 changing your diesel fuel filter regularly>
