It is hardly ever pleasurable to hear an injector noise on your Mercedes Benz GLA Class. It is a noise that happens continually, usually when you accelerate or your engine is idling. However, this indication may be related to several kind of complications with your car injectors. It may not be anything severe, but when a recurrent noise happens, you have to be sure. Specifically since replacing your Mercedes Benz GLA Class’s injectors can be costly. That’s why our team chose to compose this content in order to support you see more clearly, learn about the different conceivable failures and distinguish your issue. To do this, we will first look at the normal function and usefulness of the injectors in your Mercedes Benz GLA Class, then at the conceivable causes from which an injector noise may come.
Purposes of the injectors
Injectors are a very vital part 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 accurately (quantity of fuel injected, air/fuel mixture) via the analysis of the data accumulated 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 origins of a clicking or knocking noise caused by the injectors of your Mercedes Benz GLA Class
Listening injector noises on your Mercedes Benz GLA Class may originate from different origins, we will now concentrate on the potential triggers of these. In most cases, the typical noise of a faulty injector is of the snap type. Here are the different origins of these noises and the solutions to be implemented to eliminate them. If you hear another clicking noise but it is not from your injectors, we advise you to go through this content about clicking noise on Mercedes Benz GLA Class to locate the cause.
The causes for injector clicking or knocking noise Mercedes Benz GLA Class
A clicking or knocking noise from your injectors can be explained for different causes. In fact, the injectors of your Mercedes Benz GLA Class 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 goal is to manage the air/fuel dosage and at last the homogeneity of the mixture, always with the goal of improving combustion. If one of these three tasks is modified, the main functionality of the injectors will be disrupted 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 provoke thoses knocking or clicking noises on your Mercedes Benz GLA Class. The main cause of these concerns in most cases originates from a particle that gets into the injectors. The accuracy of the injector being in the nanometer range, any possible obstruction will inevitably result in a malfunction of the injector. If after verifying, this noise originates from another component of the engine of your Mercedes Benz GLA Class, read this content for more infos.
The repercussions of injector noise on Mercedes Benz GLA Class
Now that we have reviewed the several causes for injector noise on your Mercedes Benz GLA Class, we will end by stating the possible end result of malfunctioning one or more of your injectors. Whether only one is blocked, or broken, or your entire fuel rail is involved, you cannot escape these side effects which can 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 known effects noticed by drivers is a noticeable 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 deteriorating one of your pistons or your engine. Poor combustion will quickly harm your cylinders or pistons and your engine may tighten.
Here are three little suggestions 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 swapping your diesel fuel filter regularly>
