It is never enjoyable to experience an injector noise on your Fiat Punto Evo. It is a noise that arises continually, usually when you accelerate or your engine is idling. However, this symptom may be relating to multiple sort of trouble with your vehicle injectors. It may not be anything severe, but when a persistent noise arises, you have to be sure. Specifically since replacing your Fiat Punto Evo’s injectors can be costly. That’s why our team chose to create this content page 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 function and usefulness of the injectors in your Fiat Punto Evo, then at the conceivable causes from which an injector noise may come.injector-noise-fiat-punto-evo

Purposes of the injectors

Injectors are a very fundamental component of the operation of your engine motor. They were introduced 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 compiled from the various sensors equipping the vehicle (engine temperature, acceleration level, engine speed, etc.). Their goal 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 reasons of a clicking or knocking noise coming from the injectors of your Fiat Punto Evo

Finding out injector noises on your Fiat Punto Evo may come from different origins, we will now focus on the potential causes of these. Generally, the usual noise of a faulty injector is of the snap type. Here are the different origins of these noises and the solutions to be put into practice to stop them. If you experience another clicking noise but it is not from your injectors, we recommend you to go through this content page about clicking noise on Fiat Punto Evo to locate the cause.

The explanations for injector clicking or knocking noise Fiat Punto Evo

A clicking or knocking noise from your injectors can be justified by different explanations. In fact, the injectors of your Fiat Punto Evo 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 task 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 features is altered, the main role 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 induce thoses knocking or clicking noises on your Fiat Punto Evo. The main cause of these trouble usually originates from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible blockage will inevitably result in a malfunction of the injector. If after verifying, this noise originates from another component of the engine of your Fiat Punto Evo, browse this content page for more infos.

The repercussions of injector noise on Fiat Punto Evo

Now that we have reviewed the diverse causes for injector noise on your Fiat Punto Evo, we will end by stating the possible consequences of malfunctioning one or more of your injectors. Whether only one is clogged, or damaged, or your entire fuel rail is involved, you cannot escape these effects 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 basic consequences felt by drivers is a serious 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>