It is never pleasurable to notice an injector noise on your Fiat Stilo. It is a noise that comes up regularly, usually when you accelerate or your engine is idling. However, this symptom may be connected to different sort of complications with your vehicle injectors. It may not be anything major, but when a continuing noise comes out, you have to be sure. Most importantly since fixing your Fiat Stilo’s injectors can be expensive. That’s why our team decided to write this content in order to support you see more clearly, learn about the different possible failures and distinguish your problem. To do this, we will first look at the normal function and usefulness of the injectors in your Fiat Stilo, then at the possible triggers from which an injector noise may come.
Purposes of the injectors
Injectors are a very vital component of the operation of your engine unit. They were introduced 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 opportunity, 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 collected 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 causes of a clicking or knocking noise caused by the injectors of your Fiat Stilo
Finding out injector noises on your Fiat Stilo may result from different origins, we will now focus on the potential triggers of these. In most cases, 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 used to eliminate them. If you notice another clicking noise but it is not from your injectors, we suggest you to go through this content about clicking noise on Fiat Stilo to locate the cause.
The explanations for injector clicking or knocking noise Fiat Stilo
A clicking or knocking noise from your injectors can be explained for different explanations. In fact, the injectors of your Fiat Stilo have three main tasks, to manage the vaporisation of the fuel, i.e., to convert the liquid into “gas” during injection, to ease its combustion. Then, its mission is to control the air/fuel dosage and at last the homogeneity of the mixture, always with the target of improving combustion. If one of these three attributes is altered, 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 resulting from bad timing, or a bad quantity of mixture or finally an inhomogeneous mixture and will provoke thoses knocking or clicking noises on your Fiat Stilo. The main cause of these concerns usually originates from a particle that gets into the injectors. The precision of the injector being in the nanometer range, any possible obstruction will inevitably cause a malfunction of the injector. If after verifying, this noise originates from another component of the engine of your Fiat Stilo, browse this content for more informations.
The end result of injector noise on Fiat Stilo
Now that we have reviewed the several causes for injector noise on your Fiat Stilo, we will end by stating the possible effects of malfunctioning one or more of your injectors. Whether only one is obstructed, or broken, or your entire fuel rail is involved, you cannot escape these effects which can quickly become critical….
First, you risk destroying your exhaust system 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 significant 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 quickly damage your cylinders or pistons and your engine may tighten.
Here are three little recommendations 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>
