It is hardly ever pleasurable to notice an injector noise on your Mercedes Gla. It is a noise that happens continually, usually when you accelerate or your engine is idling. However, this warning sign may be linked to different types of complications with your vehicle injectors. It may not be anything major, but when a persistent noise arises, you have to be sure. Most importantly since fixing your Mercedes Gla’s injectors can be expensive. 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 identify your problem. To do this, we will first look at the normal function and usefulness of the injectors in your Mercedes Gla, then at the possible reasons from which an injector noise may come.
Benefits of the injectors
Injectors are a very vital element of the operation of your engine unit. They were brought in to the modern automobiles about 20 years ago. Before their arrival, 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 received from the various sensors equipping the vehicle (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 coming from the injectors of your Mercedes Gla
Hearing injector noises on your Mercedes Gla may result from different locations, we will now concentrate on the potential causes of these. In general, the regular noise of a faulty injector is of the snap type. Here are the several origins of these noises and the solutions to be applied to get rid of them. If you notice another clicking noise but it is not from your injectors, we encourage you to browse this content about clicking noise on Mercedes Gla to locate the cause.
The causes for injector clicking or knocking noise Mercedes Gla
A clicking or knocking noise from your injectors can be justified by different causes. In fact, the injectors of your Mercedes Gla 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 mission is to deal with the air/fuel dosage and at last the homogeneity of the mixture, always with the aim of improving combustion. If one of these three tasks 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 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 Gla. The main cause of these situations commonly originates from a particle that gets into the injectors. The precision 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 part of the engine of your Mercedes Gla, read this content for more informations.
The consequences of injector noise on Mercedes Gla
Now that we have analyzed the diverse causes for injector noise on your Mercedes Gla, 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 consequences which can fairly quickly 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 known effects felt 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 obviously have a loss of power
Finally, you risk degrading one of your pistons or your engine. Poor combustion will fairly quickly affect 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 changing your diesel fuel filter regularly>
