What can be more distressing than noises when you start your automobile… In fact, you plausibly already heard noises when you start your Toyota Aygo and generally it’s frustrating. It may not be anything serious, but each new engine starts usually becomes a scary moment during which you don’t know if your engine will start. That is why our editorial staff has chosen to produce this document to help you find its origin. To do this, first, we will see the case of noise when starting on Toyota Aygo but the automobile does not start, and finally, the noise you can encounter on your automobile if it starts, first cold and then hot.noise-when-starting-toyota-aygo

I notice a noise when I try to start my Toyota Aygo, but the engine doesn’t start

I find out a clicking noise at the start of my Toyota Aygo

If you notice a noise when you want to start your automobile, and it does not want to turn on, it is very likely that it is the battery that is triggering the problem. In fact, if you hear clicking noise when you start your Toyota Aygo, and it sounds like a ticking, you most likely lack the energy to run your starter, test out your battery with a voltmeter and swap it if necessary. In the case that after checking your battery, you still know a noise when starting your Toyota Aygo and it does not want to start, refer to this content page about starter motor noises on Toyota Aygo for more info and to discover the source of your problem.

I notice a noise when I start my Toyota Aygo but the engine it starts

I notice a noise when I start my Toyota Aygo

  • Grinding or squealing type noises when I start cold Toyota Aygo :
    If you notice a noise when you start your Toyota Aygo, and this noise sounds like grinding or squealing noise, which can also be relating to vibrations, it is plausible that it is the combustion of your automobile that is involved. In fact if you have an air/fuel mixture that is not good the normal performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more info on the origins of injection-related noises on Toyota Aygo, read this content page.
  • Cold start friction parts Toyota Aygo :
    If you notice cold friction noises on Toyota Aygo, it is almost sure that they come from one of your belts. Either the serpentine belt starts to wear out and therefore causes a friction noise. It is also plausible that the tensioner roller or damper pulley is worn out and that as a result the extension belt provoke a friction noise, often when cold. Visually verify your belt and swap it if necessary. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full content page on engine of your Toyota Aygo.

I notice a noise when starting my Toyota Aygo even when hot

  • rubber mount / silent bloc dead motor
    If you notice a clacking noise when you start your car’s engine and it is more than 100,000 km long, it is plausible that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations produced by starting the engine can make starting noise on Toyota Aygo. Examine their condition and change them if necessary. Read this content page if you would like to have detailed info on rubber mount noises on Toyota Aygo.
  • Motor flywheel
    Finally, if you have a noise that sounds a little like a crank noise when you start your Toyota Aygo, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the source of your trouble. In fact, these parts have created a lot of trouble on many vehicles. When they take part in the game they generate noise when you start your Toyota Aygo and when you turn off the engine. Have his condition checked by a specialist.