It is rarely ever pleasurable to notice an injector noise on your Mercedes Classe E 4. It is a noise that happens regularly, usually when you accelerate or your engine is idling. However, this symptom may be connected to multiple kind of problems with your automobile injectors. It may not be anything major, but when a persistent noise arises, you have to be sure. Most importantly since fixing your Mercedes Classe E 4’s injectors can be expensive. That’s why our team chose to compose this content page in order to support you see more clearly, learn about the different possible failures and identify your issue. To do this, we will first look at the normal functioning and usefulness of the injectors in your Mercedes Classe E 4, then at the possible triggers from which an injector noise may come.
Attributes of the injectors
Injectors are a very important component of the operation of your engine unit. 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 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 causes of a clicking or knocking noise caused by the injectors of your Mercedes Classe E 4
Hearing injector noises on your Mercedes Classe E 4 may come from different sources, we will now center on the potential triggers of these. In general, the regular noise of a faulty injector is of the snap type. Here are the several sources of these noises and the solutions to be put into practice to stop them. If you notice another clicking noise but it is not from your injectors, we suggest you to browse this content page about clicking noise on Mercedes Classe E 4 to discover the trigger.
The causes for injector clicking or knocking noise Mercedes Classe E 4
A clicking or knocking noise from your injectors can be explained for different causes. Indeed, the injectors of your Mercedes Classe E 4 have three main tasks, to control the vaporisation of the fuel, i.e., to transform the liquid into “gas” during injection, to ease its combustion. Then, its objective is to deal with the air/fuel dosage and at last the homogeneity of the mixture, always with the target of improving combustion. If one of these three tasks is altered, 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 as a consequence of bad timing, or a bad quantity of mixture or finally an inhomogeneous mixture and will trigger thoses knocking or clicking noises on your Mercedes Classe E 4. The main trigger of these problems commonly comes from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible blockage will inevitably end up in a malfunction of the injector. If after verifying, this noise comes from another component of the engine of your Mercedes Classe E 4, have a look at this content page for more informations.
The effects of injector noise on Mercedes Classe E 4
Now that we have analyzed the diverse causes for injector noise on your Mercedes Classe E 4, 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 consequences 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 common consequences felt by drivers is a noticeable loss of power. Indeed, if your engine is running on 3 out of 4 cylinders for example, you will obviously 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 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 swapping your diesel fuel filter regularly>
