Clio 182 MOT Fail - Emissions

[Ste182]

Hi

Just after some advice/recommendations of garages in Manchester that know there stuff with 182s.

My car has failed it's MOT on emissions and the tester has said that he has let it get warm, it has been filled up with Vpower and I have added some redex in order to help clean the system a bit.

I am aware the belts will need changing it has started to make a chugging noise (Dephaser noise I believe) could this effect my emissions being high? - was hoping to get it through the MOT so that I could make the trip to a good garage to change the belts.

He has said he has cleaned the O2 sensors, but it is still failing on emissions. He believes it is something to do with a bearing noise he can hear on the engine (Dephaser noise I believe).

I can't remember which way round he said but think he said the HydroCarbons were still through the roof but others were fine!

The car is currently still at his garage as I can only drive it between tests and for repairs - but I don't think he knows what the problem is really!

Any help/recommendations appreciated!

Thanks

Ste

 

[botfch]

If the hc is high it’s probably over fuelling.

Check the pre cat lambda sensor and the temp sensor is working correctly.

 

[R3k1355]

It's usually the pre-cat lambda sensor thats wrong.

You can swap the pre and post cat lambda's over, if it passes then you know that was the problem.

 

[hipwell]

Yeh I'd stick a pre cat lambda sensor in, post cat doesn't really do anything.

You could try swapping them over, but if they are both the same ages then likely both are past it.

Is it an OEM cat? My 182 had a pattern cat on it and failed the mot every year, I then managed to get a genuine 182 cat from a scrap yard for 50 quid before the prices went through the roof and it passed with flying colours.

But yet my 172 with an eBay cat went through fine everytime

 

[Ste182]

I will ask him to swap the sensors around then and hopefully that will make a difference then! I believe both the sensors will be roughly the same ages.

Nope it isn't an OEM cat, will have a search for an OEM cat as well then just in case!

 

[Coops Mk1]

Chugging and similar idle more than likely an injector gone down

 

[banhama]

I then managed to get a genuine 182 cat from a scrap yard for 50 quid before the prices went through the roof and it passed with flying colours.

How much would a second hand OEM 182 cat cost now?
Yesterday I noticed in the corner of the shed the one I cut out a couple of years ago, it's never going back in as it's a track only car now.
Just interested to see if it's worth selling.

 

[botfch]

How much would a second hand OEM 182 cat cost now?
Yesterday I noticed in the corner of the shed the one I cut out a couple of years ago, it's never going back in as it's a track only car now.
Just interested to see if it's worth selling.

£3-400

 

[Ste182]

Chugging and similar idle more than likely an injector gone down

The chugging is more the idling sound like a chug boat!

Doesn't run rough at all when driving at all! Just has a louder idle and running noise, kind of like this noise

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[Ste182]

£3-400

Ouch crazy money! Not sure I'll be searching for an OEM cat then![emoji23]

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[Coops Mk1]

Yeah up the revs injector issues don't show usually, it's idle and low revs

 

[Ste182]

Sorry to dig this up I have only just got the readings to my mot! Everything passed except CO which was high then

Taking the car to another garage to should just be O2 sensors then? Or will the dephaser noise play a part in it?

Also just noticed the lambda failed as well!

Thanks

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[Ste182]

Second reading

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