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vibrations and tremors at idle clio 182



  Clio 182 cup
Good afternoon, I'd like to share my experience with my Clio 182.

I've had vibrations at idle for a long time (if you open the hood and look at the engine very carefully, you'll notice it wobbles a little; it's nothing extreme, but it's quite noticeable inside the car).

I've replaced quite a few parts due to time and mileage: original NGK spark plugs, a Beru coil, new spark plug wires (they're not original, Beru, or NGK... I don't remember the brand... but it wasn't one of the major brands because at the time the parts supplier didn't have anything else in stock... although it already had the problem before). I also replaced four new original injectors, the engine mounts are two years old or less, and the timing belt was replaced about a year and a half ago.

I've checked for vacuum leaks and can't seem to find any (within the limitations of doing it myself), although, for example, the intake manifold gasket is the original one.

I'll leave it with the mechanic next week. Let's see if I can find the fault, but as I mentioned, it's really getting on my nerves...

By the way, there's no malfunction indicator light on. I ran a diagnostic (with an OBD scanner and a mobile app) and the data and readings are completely normal, from the lambda sensor and the MAP sensor to the temperatures, etc.

I should also mention that there's no jerking while driving, no lack of power, no misfiring, I don't notice anything strange, fuel consumption is also fine, but at idle you can feel those vibrations.

If anyone has experienced something similar and can offer some help, it would be greatly appreciated. Many thanks in advance to everyone.

Here's a video so you can see it (the gear shift lever already has some play, so it makes everything even worse).

 
  Clio 182 cup
Could faulty injectors be the cause of the rough idle?
I replaced them a year and a half ago, but honestly, I'm not ruling anything out. Looking at the wiring for injector number 1 from the front, I had to clean it up a long time ago because the wire was frayed from being bent to connect to the injector itself...

I don't know if the problems could be coming from there.
 
  Clio 182 cup
I replaced them a year and a half ago, but honestly, I'm not ruling anything out. Looking at the wiring for injector number 1 from the front, I had to clean it up a long time ago because the wire was frayed from being bent to connect to the injector itself...

I don't know if the problems could be coming from there.
But it only happens at idle; while driving, there are zero problems, zero jerking, nothing at all.
 

Matt Cup

ClioSport Club Member
  Iceberg 172 Cup
I replaced them a year and a half ago, but honestly, I'm not ruling anything out. Looking at the wiring for injector number 1 from the front, I had to clean it up a long time ago because the wire was frayed from being bent to connect to the injector itself...

I don't know if the problems could be coming from there.

The injectors were replaced with OE Magnelli Marelli ones?

When you took off the inlet manifold did you replace the rubber seal?
 
  Clio 182 cup
¿Se sustituyeron los inyectores por unos Magnelli Marelli originales?

Cuando desmontaste el colector de admisión, ¿cambiaste la junta de goma?
¿Se sustituyeron los inyectores por unos Magnelli Marelli originales?

Cuando desmontaste el colector de admisión, ¿cambiaste la junta de goma?
¿Te refieres al grande que va en el colector con los cuatro agujeros... o al de goma semiovalado que va en la parte trasera del motor?

Ambos son originales (compré el Clio nuevo en 2005).

Sí, los cuatro inyectores eran nuevos y originales de Magetti Marelli.
 

Matt Cup

ClioSport Club Member
  Iceberg 172 Cup
IMG_5493.png


Chasing a hunting idle could be all sorts. To be honest though there are far better people on here than me who have the know how 👍
 
  Clio 182 cup
View attachment 1790720

Chasing a hunting idle could be all sorts. To be honest though there are far better people on here than me who have the know how 👍
I've never changed it; in fact, looking at it now, I'd say it's either worn out or there's hardly any trace of it left from the times I've taken the manifold apart... because I don't remember seeing it so exposed as it is in the photo.
 

Matt Cup

ClioSport Club Member
  Iceberg 172 Cup
I've never changed it; in fact, looking at it now, I'd say it's either worn out or there's hardly any trace of it left from the times I've taken the manifold apart... because I don't remember seeing it so exposed as it is in the photo.

For the sake of a very little money it’s probably worth getting.
 

Matt Cup

ClioSport Club Member
  Iceberg 172 Cup
Yes, you're absolutely right. As I mentioned, I have the large one that goes between the two parts of the intake manifold, and the one in the photo has never been changed; they're the original ones from the car.

Yep, the upper inlet manifold gasket is a piece of cake to change. You will struggle with the lower inlet to engine manifold as there are some awkward bolts to remove as far as I remember.
 


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