It is never relaxing to listen an injector noise on your Mercedes Benz CLS Class. It is a noise that appears repeatedly, usually when you accelerate or your engine is idling. However, this indicator may be related to multiple sort of problems with your automobile injectors. It may not be anything serious, but when a recurrent noise shows up, you have to be sure. Specifically since repairing your Mercedes Benz CLS Class’s injectors can be expensive. That’s why our team chose to produce this article content in order to help you see more clearly, learn about the different conceivable failures and establish your problem. To do this, we will first look at the normal running and usefulness of the injectors in your Mercedes Benz CLS Class, then at the conceivable causes from which an injector noise may come.
Purposes of the injectors
Injectors are a very fundamental component of the operation of your engine unit. They were released to the modern automobiles about 20 years ago. Before their introduction, 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 ability, 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 collected 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 obtain the best possible combustion in the cylinders.
The different triggers of a clicking or knocking noise coming from the injectors of your Mercedes Benz CLS Class
Experiencing injector noises on your Mercedes Benz CLS Class may come from different origins, we will now focus on the potential causes of these. Generally, 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 prevent them. If you listen another clicking noise but it is not from your injectors, we encourage you to browse this article content about clicking noise on Mercedes Benz CLS Class to locate the cause.
The reasons for injector clicking or knocking noise Mercedes Benz CLS Class
A clicking or knocking noise from your injectors can be justified by different reasons. In fact, the injectors of your Mercedes Benz CLS Class have three main missions, 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 manage the air/fuel dosage and finally the homogeneity of the mixture, always with the goal of improving combustion. If one of these three functions 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 because 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 Benz CLS Class. The main cause of these trouble commonly originates from a particle that gets into the injectors. The accuracy of the injector being in the nanometer range, any possible blockage will inevitably lead to a malfunction of the injector. If after checking, this noise originates from another element of the engine of your Mercedes Benz CLS Class, check this article content for more informations.
The side effects of injector noise on Mercedes Benz CLS Class
Now that we have analyzed the different reasons for injector noise on your Mercedes Benz CLS Class, we will end by stating the possible consequences 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 almost instantly become critical….
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 common consequences noticed 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 obviously have a loss of power
Finally, you risk deteriorating one of your pistons or your engine. Poor combustion will almost instantly damage your cylinders or pistons and your engine may tighten.
Here are three little suggestions to limit the risks linked 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>
