It is never relaxing to perceive an injector noise on your Mercedes Classe C 4. It is a noise that arises continually, usually when you accelerate or your engine is idling. However, this indicator may be connected to several sort of problems with your automobile injectors. It may not be anything serious, but when a continuing noise happens, you have to be sure. Specifically since fixing your Mercedes Classe C 4’s injectors can be costly. That’s why our team decided to write this content in order to help you see more clearly, learn about the different possible failures and determine your problem. To do this, we will first look at the normal running and usefulness of the injectors in your Mercedes Classe C 4, then at the possible reasons from which an injector noise may come.
Attributes of the injectors
Injectors are a very important part of the operation of your engine. They were launched to the modern automobiles about 20 years ago. Before their appearance, 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 possibility, 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 obtained from the various sensors equipping the automobile (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 causes of a clicking or knocking noise caused by the injectors of your Mercedes Classe C 4
Discovering injector noises on your Mercedes Classe C 4 may come from different sources, we will now look into 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 implemented to stop them. If you perceive another clicking noise but it is not from your injectors, we suggest you to browse this content about clicking noise on Mercedes Classe C 4 to discover the cause.
The reasons for injector clicking or knocking noise Mercedes Classe C 4
A clicking or knocking noise from your injectors can be justified by different reasons. Indeed, the injectors of your Mercedes Classe C 4 have three main tasks, 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 target of improving combustion. If one of these three characteristics is modified, 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 induce thoses knocking or clicking noises on your Mercedes Classe C 4. The main cause of these concerns 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 verifying, this noise comes from another part of the engine of your Mercedes Classe C 4, have a look at this content for more informations.
The consequences of injector noise on Mercedes Classe C 4
Now that we have analyzed the diverse reasons for injector noise on your Mercedes Classe C 4, we will end by stating the possible end result 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 repercussions which can promptly become major….
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 distinctive 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 promptly harm your cylinders or pistons and your engine may tighten.
Here are three little suggestions to limit the risks relating 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>
