Recent vehicles represent an increasing budget, whether it is because of maintenance or the unpredictable breakdowns linked to all the new technology built into cars. We tend to worry pretty quickly about the smallest sign of weakness, and that is a good thing, because a problem on a Audi A3 has to be handled as soon as possible, otherwise it will get worse and affect additional parts. Today we are going to check out the solutions available to you if you are victim of a Audi A3 that vibrates at idle. First we will try to discover why your Audi A3 is vibrating when idle, and secondly what to do if it you have vibrations idle.

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Why is my Audi A3 having idle vibrations?

So we begin our article with the causes of a Audi A3 that vibrates at idle. For this we will have to look at the organs that can trigger this tremor. We will specifically give attention to the fact that your Audi A3 only shakes at idle, if you feel vibrations at acceleration on Audi A3 vibrations don’t be reluctant to seek advice from our article which is about this trouble. We can already eliminate some parts as possible the cause of this problem. In truth, as you are at a standstill, usually in neutral, we can already clear the vehicle’s transmission, running gear, bearings, suspensions, clutch and flywheel. You should be advised, nevertheless, that diesel engines tend to vibrate much more than petrol engines, especially older vehicles.
On the other hand, the bad information is that the reason your Audi A3 is shaking at idle is direct linked to your engine. The main motives of this vibration are frequently linked to the fuel supply of the car, the ignition or the engine silent blocks. Here are the main sources of this vibration and their consequences on the behavior of your Audi A3:

  • Injection: If the injection of your vehicle is disturbed and it triggers trembling, you should feel some kind of coupling in the engine, as if the car was grazing.
  • Ignition: If, alternatively, it is the ignition of your car that is in trouble, regardless whether it originates from a spark plug or the complete ignition, you will feel complications in the behavior of your engine motor. In fact, there will be sparks that don’t appear and it may be that one or more of your cylinders doesn’t work.
  • Engine silent blocks: The least annoying cause of a Audi A3 shaking at idle is indeed the engine silent blocks. They are a kind of soft plastic pad that dampen all vibrations and shaking of your car’s engine. When they wear out, they tend to lose their objective and as a result the vibrations brought on by your engine increase

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What if my Audi A3 is vibrating at idle?

Let’s go forward to the next step, now that you have been able to find the origins of your trouble or at least to reduce the possible triggers, we will explain to you that there are solutions available to resolve each of these complications.

  • Injection: If your injection is the cause, the first thing to do will be to use a strong cleaning product that you will add to your fuel, it will cost you about ten euros, but if the trouble is modest and only a few impurities block their proper functioning, you can cure it without going to your mechanic. If this is not enough, you will have to consider a complete cleaning of the injection
  • Ignition: If it is your ignition that is leading to your Audi A3’s idle vibrations, you will have to pass the car through the diagnostic kit to get more information on the exact trouble. And consider a replacement of malfunctioning parts, or an ECU adjustment
  • Motor Silent Blocks: The last trigger of vibration at standstill on your Audi A3 is that the vibration arises from your motor silent blocks. This is the repair that will cost you the least. In fact, replacing silent blocks should not cost you more than 200€, go to your mechanic to make this change and prevent your Audi A3 from shaking at idle.

Here are the main causes and solutions to resolve your trouble of vibration at idle on Audi A3, if in addition to shaking it does not hold idle, do not hesitate to consult our article on this problem.

To discover more tips on the Audi A3, take a look at the Audi A3 category.