It is rarely pleasing to hear a sound you don’t know about, and which comes from your car. So, what if you detect an exhaust noise that is persistant on your Toyota Aygo? It is highly possible that this is a minimal trouble, however, before being sure, it is better to accomplish some verifications. Our team has created this to help you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Toyota Aygo and second, if you have a metallic rattling noise on your Toyota Aygo.exhaust-noise-toyota-aygo

Muffled exhaust noise Toyota Aygo

Exhaust pipe with holes Toyota Aygo

Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine, which could in time become dirty, for example. If you have an exhaust noise on your Toyota Aygo, it is possible that it is due to a crack in the exhaust pipe, this is the most usual reason. In order to validate this, locate someone under the running motor vehicle and accelerate to help them locate the origin of the hole. Once identified, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be changed.

Element dislocated exhaust pipe Toyota Aygo

The other possibility of being subjected to a muffled exhaust noise on Toyota Aygo is to have a part of the exhaust system that has dislocated due to vibrations for example. In fact some junctions of the different parts of the pot can loosen after some time and generate an exhaust gas leak in places not intended for this purpose. These fumes will then create a loud noise. Same technique as above, we go under the Toyota Aygo to define the trouble place, and tighten or change the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, consider taking a look at this content page which gives answers gives solutions about rear end noises on Toyota Aygo.

Metal rattling exhaust sound Toyota Aygo

Damaged exhaust muffler noise Toyota Aygo

If, alternatively, you are exposed to an exhaust sound that is more of a metallic sort of, it is possible that one or more parts of your exhaust may be broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To be sure, go under your Toyota Aygo, cold, and tap each of the previously stated parts with a hammer to define the source of the noise. You should move things between things in the problematic part, if they are baffles, you can try to push the section a little bit to try to block them and thus limit their movements. If it is a dead catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your Toyota Aygo, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.

Metal rattling exhaust noise Toyota Aygo : Silentblock, loose pot

Finally, a metallic exhaust noise on your Toyota Aygo may be linked to a poor attachment of your exhaust to your vehicle. In fact, as time passes, vibrations, the pot fasteners on the vehicle chassis can come off. In this case, you need to verify, when cold, that the pot holds well, to try to get it to move in different directions and watch how it reacts. Backwards there should be some play and be able to move but not too much. The closer you get to the engine motor, the more fixed it should be. Visually verify the fasteners for which you have doubts. Finally, it is possible that a silentbloc may have died . In this case it will have to be changed.