Modern vehicles represent an evergrowing budget, whether it is due to service or the unforeseen breakdowns connected with all the new technology built in cars. We tend to get worried fairly quickly about the slightest sign of weakness, and that is a good thing, because a problem on a Volkswagen Polo 4 has to be dealt with quickly, in any other case it will get worse and affect additional components. In this article we are going to check out the solutions available to you if you are victim of a Volkswagen Polo 4 that vibrates at idle. First we will try to find out why your Volkswagen Polo 4 is vibrating when idle, and secondly what to do if it you have vibrations idle.

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Why is my Volkswagen Polo 4 having idle vibrations?

So we start our content with the origins of a Volkswagen Polo 4 that vibrates at idle. For this we will have to examine the parts that can generate this tremor. We will specifically look at the fact that your Volkswagen Polo 4 only shakes at idle, if you feel vibrations at acceleration on Volkswagen Polo 4 vibrations don’t think twice to have a look at our content which refers to this issue. We can already eradicate some parts as possible responsible for this problem. In reality, 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 conscious, nevertheless, that diesel engines tend to vibrate much more than petrol engines, especially older vehicles.
However, the bad news is that the reason your Volkswagen Polo 4 is shaking at idle is directly related to your engine. The main triggers of this vibration are oftentimes related to the fuel supply of the vehicle, the ignition or the engine silent blocks. Here are the main sources of this vibration and their consequences on the performance of your Volkswagen Polo 4:

  • Injection: If the injection of your vehicle is affected and it causes trembling, you should come to feel some kind of coupling in the engine, as if the car was grazing.
  • Ignition: If, on the other hand, it is the ignition of your car that is in trouble, whether it originates from a spark plug or the complete ignition, you will come to feel problems in the performance of your engine. In reality, there will be sparks that don’t appear and it may be that one or more of your cylinders doesn’t operate.
  • Engine silent blocks: The least annoying trigger of a Volkswagen Polo 4 shaking at idle is obviously 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 action and therefore the vibrations caused by your engine intensify

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What if my Volkswagen Polo 4 is vibrating at idle?

Let’s go forward to the next step, now that you have been able to find the beginning of your issue or at least to reduce the possible causes, we will explain to you that there are solutions available to solve each of these problems.

  • Injection: If your injection is the trigger, 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 issue is moderate and only a few impurities obstruct their proper functioning, you can cure it without going to your mechanic. If this is not enough, you will have to consider a whole cleaning of the injection
  • Ignition: If it is your ignition that is causing your Volkswagen Polo 4’s idle vibrations, you will have to pass the vehicle through the diagnostic kit to get more information on the exact issue. And consider a replacement of faulty parts, or an ECU adjustment
  • Motor Silent Blocks: The last trigger of vibration at standstill on your Volkswagen Polo 4 is that the vibration comes from your motor silent blocks. This is the repair that will cost you the least. In reality, changing silent blocks should not cost you more than 200€, go to your mechanic to make this change and prevent your Volkswagen Polo 4 from shaking at idle.

Here are the main causes and answers to remedy your issue of vibration at idle on Volkswagen Polo 4, if furthermore to shaking it does not hold idle, do not hesitate to consult our article on this problem.

If you want more tutorials on the Volkswagen Polo 4, go to our Volkswagen Polo 4 category.