Intake Manifold Wanted

Post by **X1MYS** » Thu Jan 18, 2018 8:36 pm

Hi all

Having issues with my intake manifold as the cars epc and management constantly on!!
Had a full carbon clean done recently to solve but garage told me it’s the manifold that needs changing as one side is not opening as it should.
If anyone has one for sale ideally ported ready or a used one that functions properly. Or alternatively can make any other suggestions on what best to do with it will be much appreciated.

Thanks

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Post by **SimonS4MTM** » Thu Jan 18, 2018 10:05 pm

Get the flaps removed and coded out. Speak to MRC.

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Post by **Gary(rs4)87** » Thu Jan 18, 2018 11:27 pm

Yeah garage told me the same: need new manifold, deflapped coded out and no more epc issue.

Post by **marc1** » Fri Jan 19, 2018 8:42 am

Its pretty standard for the flap rods to wear. As Simon says, get them locked open and coded. Replacing the manifold, even with a used one that has had the work is likely to be more expensive when you allow for the labour too.

Where abouts are you based?

Post by **suurenmoinen** » Sat Jan 20, 2018 10:37 am

I have the same exact problem...and I have been given the same advise. I live in Finland so MRC is not an option :-/ I spoke with my mechanic about removing the flaps but then we started reading that removing flaps does have en impact on low end performance and more worryingly on cold starts.

Post by **Gary(rs4)87** » Sat Jan 20, 2018 10:42 am

Yes cold start a but lumpy but most of the owners deflapped after the carbon clean.

Post by **suurenmoinen** » Sat Jan 20, 2018 7:19 pm

Gary(rs4)87 wrote: ↑
Sat Jan 20, 2018 10:42 am
Yes cold start a but lumpy but most of the owners deflapped after the carbon clean.

Can you/anyone post a video of the lumpy start you get when deflapped? I think lumpiness can be quite subjective...I have heard that the car might even stall

Post by **SimonS4MTM** » Sat Jan 20, 2018 9:36 pm

Mine is less lumpy on cold start after carbon clean and flap delete.

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Post by **jon_273** » Sun Jan 21, 2018 9:45 am

SimonS4MTM wrote: ↑
Sat Jan 20, 2018 9:36 pm
Mine is less lumpy on cold start after carbon clean and flap delete.

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Is it remapped aswell? And do you still have the secondary air injection? I think that makes it a bit lumpy...

Post by **SimonS4MTM** » Sun Jan 21, 2018 12:08 pm

Stage 2 map, secondary air injection still there I believe.

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Post by **marc1** » Sun Jan 21, 2018 2:07 pm

^ Did you get quiet cold start? If yes, secondary air intake is mapped out I believe. If you have the minute or so high idle and loud cold start, it’s still mapped in.

Post by **SimonS4MTM** » Sun Jan 21, 2018 3:10 pm

Don’t know. Did not ask for it so I assume not.

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Post by **marc1** » Sun Jan 21, 2018 3:31 pm

Does it run a high emissions idle when you first start it up cold?

Post by **Gary(rs4)87** » Sun Jan 21, 2018 3:46 pm

Yes secondary still there, but cold air feed will be fitted soon when the coilovers

Post by **SimonS4MTM** » Sun Jan 21, 2018 7:51 pm

marc1 wrote:Does it run a high emissions idle when you first start it up cold?

Don’t know, and don’t know how to tell

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