It is rarely ever pleasant to experience an injector noise on your Renault Talisman. It is a noise that comes up repeatedly, usually when you accelerate or your engine is idling. However, this indication may be relating to several sort of trouble with your automobile injectors. It may not be anything major, but when a recurrent noise appears, you have to be sure. Specifically since replacing your Renault Talisman’s injectors can be costly. That’s why our team decided to produce this article content in order to help you see more clearly, learn about the different plausible failures and determine your problem. To do this, we will first look at the normal running and usefulness of the injectors in your Renault Talisman, then at the plausible triggers from which an injector noise may come.injector-noise-renault-talisman

Functions of the injectors

Injectors are a very vital part of the operation of your engine motor. They were released to the modern cars 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 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 received 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 origins of a clicking or knocking noise caused by the injectors of your Renault Talisman

Hearing injector noises on your Renault Talisman may result from different origins, we will now look into the potential triggers of these. In general, the common 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 prevent them. If you experience another clicking noise but it is not from your injectors, we advise you to browse this article content about clicking noise on Renault Talisman to find the cause.

The reasons for injector clicking or knocking noise Renault Talisman

A clicking or knocking noise from your injectors can be explained for different reasons. In fact, the injectors of your Renault Talisman 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 goal is to deal with the air/fuel dosage and finally the homogeneity of the mixture, always with the aim of improving combustion. If one of these three attributes is modified, the main functionality 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 induce thoses knocking or clicking noises on your Renault Talisman. The main cause of these concerns in most cases comes from a particle that gets into the injectors. The accuracy of the injector being in the nanometer range, any possible blockage will inevitably produce a malfunction of the injector. If after checking, this noise comes from another element of the engine of your Renault Talisman, have a look at this article content for more informations.

The side effects of injector noise on Renault Talisman

Now that we have analyzed the diverse causes for injector noise on your Renault Talisman, we will end by stating the possible end result of malfunctioning one or more of your injectors. Whether only one is clogged, or broken, or your entire fuel rail is involved, you cannot escape these repercussions which can fairly quickly become severe….
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 repercussions noticed by drivers is a severe 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 affect your cylinders or pistons and your engine may tighten.
Here are three little suggestions to limit the risks connected 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>