Recent automobiles represent an increasing budget, whether it is because of maintenance or the unforeseen breakdowns connected to all the new technology built in cars. We usually tend to worry pretty quickly about the smallest signal of weakness, and that is a good thing, because a problem on a Toyota Sienna has to be treated quickly, in any other case it will get worse and affect additional parts. In this article we are going to discover the solutions available to you if you are victim of a Toyota Sienna that vibrates at idle. First we will try to figure out why your Toyota Sienna is vibrating when idle, and secondly what to do if it you have vibrations idle.


Why is my Toyota Sienna having idle vibrations?

So we start our guideline with the causes of a Toyota Sienna that vibrates at idle. For this we will have to examine the components that can trigger this tremor. We will mostly look at the fact that your Toyota Sienna only shakes at idle, if you feel vibrations at acceleration on Toyota Sienna vibrations don’t be reluctant to have a look at our guideline which refers to this issue. We can already eradicate some parts as possible in charge of this problem. In fact, 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 informed, however, that diesel engines usually tend to vibrate much more than petrol engines, especially older automobiles.
On the other hand, the bad information is that the reason your Toyota Sienna is shaking at idle is straight linked to your engine. The main triggers of this vibration are often linked 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 behavior of your Toyota Sienna:

  • Injection: If the injection of your car is damaged and it triggers trembling, you should experience 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 comes from a spark plug or the complete ignition, you will experience complications in the behavior of your engine. In reality, there will be sparks that don’t occur and it may be that one or more of your cylinders doesn’t operate.
  • Engine silent blocks: The least frustrating trigger of a Toyota Sienna shaking at idle is indeed the engine silent blocks. They are a sort of soft plastic pad that dampen all vibrations and shaking of your car’s engine. When they wear out, they usually tend to lose their action and consequently the vibrations brought on by your engine intensify


What if my Toyota Sienna is vibrating at idle?

Let’s go forward to the next step, now that you have managed to identify the beginning of your issue or at least to lower the possible triggers, we will show you to you that there are solutions available to resolve each of these complications.

  • 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 block their proper performance, you can overcome it without going to your mechanic. If this is not enough, you will have to reflect on a complete cleaning of the injection
  • Ignition: If it is your ignition that is causing your Toyota Sienna’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 motive of vibration at standstill on your Toyota Sienna 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 Toyota Sienna from shaking at idle.

Here are the main causes and answers to get rid of your issue of vibration at idle on Toyota Sienna, if additionally to shaking it does not hold idle, do not hesitate to consult our article on this problem.

If perhaps you have any additional questions about the Toyota Sienna, do not hesitate to consult our Toyota Sienna category.