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Aygo Mk1 engine noise


Buzypea
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Hi all

My daughter has just bought her first car, a 2011 Aygo Go! with 93,000 miles on the clock.

Seems a solid little car and drives well enough. I was just wondering how noisy the engines are supposed to be?  Sounds like you’re in a diesel with a noticeable grrrrrrrrr under acceleration that’s settles down once up to speed. The exhaust is not leaking. I appreciate this is only a 3 cylinder so was not expecting it to be ultra smooth. It’s just a lot louder than I expected it to be.  Is this normal?
 

Any replies greatly appreciated.

Thanks.

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I remember the growl from the Citroen C1 we used to have. Loved it. Of course C1, Pug106 and Aygo have the same 3 cylinder engine. So probably it is normal, though we have not heard yours.

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Worth adding some extra insulation under the boot carpet. I found some thick foam matting in homebase, and fitted some to the floor of the wheel well, and more to the boot floor. Recently picked up a 60 plate "Blue" as a run about for daughter to learn in.

Check the boot for leaks.  I've done the boot seals, rear light body seals and the stop light. Dry as a bone.  Next job, get the a/c regassed.

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I checked the boot when we went to buy it as I read they are notorious for leaking. All appears completely dry.  Good tip about adding some sound insulation, thanks. I might look into doing this but I don’t think the noise actually bothers my daughter, only seems to bother me.

Just took it for a quick drive and got my daughter to record the engine noise. It’s very growly and tappety.  Is this how others Aygo’s sound? Or should we be worried?

 

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Thanks all for the replies, it’s put my mind at ease that the noise is normal. I suppose I’m just used to driving larger quieter cars having never driven a 3 cylinder city car before. 
 

We can now enjoy the growl 😄

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3 cylinder engines produce what's known as a 'half-order' (i.e. at a frequency that is half of the engine rpm) growl and the relative lack of sound proofing in these cars makes it more noticeable. It's a similar type of growl to that from 5 cylinder engines (like in the original Audi Quattro - note the capital Q).

I quite like this half-order sound which used to amuse/confuse my ex when I drove her Skoda Fabia which also had a 3 cylinder engine.

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Every type of engine has it's own characteristics, you should try my wife's twin cylinder car if you think the Aygo is growly. Saying that, hers is not a noisy engine, you just have to look at the rev counter and notice how fast it's going when the growling starts. At low rpm, it's very quiet compared to a 4.

 

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So the back box can get noisier as the baffles rot. Ours is a lot quieter with added insulation and a whole new exhaust.

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