It is never pleasurable to hear an injector noise on your Mercedes Classe B. It is a noise that appears repeatedly, usually when you accelerate or your engine is idling. However, this indicator may be relating to several sort of concerns with your automobile injectors. It may not be anything severe, but when a persistent noise appears, you have to be sure. Specifically since fixing your Mercedes Classe B’s injectors can be expensive. That’s why our team chose to create this article in order to support you see more clearly, learn about the different conceivable failures and establish your problem. To do this, we will first look at the normal function and usefulness of the injectors in your Mercedes Classe B, then at the conceivable causes from which an injector noise may come.
Purposes of the injectors
Injectors are a very important component of the operation of your engine unit. They were released to the modern cars about 20 years ago. Before their appearance, more conventional carburettor-type intake systems were used, 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 precisely (quantity of fuel injected, air/fuel mixture) via the analysis of the data accumulated from the various sensors equipping the automobile (engine temperature, acceleration level, engine speed, etc.). Their purpose 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 reasons of a clicking or knocking noise based on the injectors of your Mercedes Classe B
Hearing injector noises on your Mercedes Classe B may result from different sources, 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 put into practice to stop them. If you hear another clicking noise but it is not from your injectors, we suggest you to examine this article about clicking noise on Mercedes Classe B to discover the trigger.
The reasons for injector clicking or knocking noise Mercedes Classe B
A clicking or knocking noise from your injectors can be explained for different reasons. In fact, the injectors of your Mercedes Classe B have three main tasks, to control the vaporisation of the fuel, i.e., to convert the liquid into “gas” during injection, to ease its combustion. Then, its objective is to control the air/fuel dosage and finally the homogeneity of the mixture, always with the aim of improving combustion. If one of these three tasks is modified, the main role of the injectors will be disrupted 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 B. The main trigger of these problems 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 result in a malfunction of the injector. If after checking, this noise originates from another element of the engine of your Mercedes Classe B, have a look at this article for more informations.
The end result of injector noise on Mercedes Classe B
Now that we have examined the several reasons for injector noise on your Mercedes Classe B, we will end by stating the possible side effects of malfunctioning one or more of your injectors. Whether only one is obstructed, or broken, or your entire fuel rail is involved, you cannot escape these effects which can fairly quickly 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 consequences noticed by drivers is a serious 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 tips 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 changing your diesel fuel filter regularly>
