I had the same thing, there was a tiny hole in the pipe, had to get a new one from Audi and solved the issue.nij wrote:It does sounds like the PCV valve has failed, it's located under the RS engine cover.Frostie wrote:Then when i turned the engine off, there was a slight hissing sound from under the bonnet...
Gruppe-M induction
Re: Gruppe-M induction
Re: Gruppe-M induction
Sorry to hear you have this problem, it's a right bastard. I had this on RS4 No1 with a Gruppe M. I tried absolutely everything. Audi even took the manifold off examined every single thing that could cause it and MRC had a look and no one, I mean no one could solve it. So I part ex'd it, bought a C63, nearly died, sold it and got back into another RS4 B7, no Gruppe M. Now Happy.
RS4 B7, Mugello Blue, K&W V3 & HR ARBs, set up by Centre Gravity, Milltek Valved Non Res & cat bypass pipes, BMC air filter, braided hoses, DOT 5.1, Terraclean, MRC Full Carbon Clean, MRC remap 448PS 477NM, 20" S7 alloys with 4mm spacers & Hawke spigots 66.6 > 57.1, AP Racing front discs. Sold Sept 2019. Now rocking an F80 M3
Re: Gruppe-M induction
I have now booked it in with Turner Race Developments to see if they can sort it... Should have more info at the end of the week.
2007 black RS4 saloon. Bilstein Coilovers, MRC Re-map, Miltek non resonated valved exhaust with de-cats, Gruppe-M carbon induction, JHM manifold spacers, Stage 2 manifold, cold air feed.
Re: Gruppe-M induction
I wish you the very best of luck, this problem made me sell me 1st RS4 and the regret cost me dearly. Keep us updated.
RS4 B7, Mugello Blue, K&W V3 & HR ARBs, set up by Centre Gravity, Milltek Valved Non Res & cat bypass pipes, BMC air filter, braided hoses, DOT 5.1, Terraclean, MRC Full Carbon Clean, MRC remap 448PS 477NM, 20" S7 alloys with 4mm spacers & Hawke spigots 66.6 > 57.1, AP Racing front discs. Sold Sept 2019. Now rocking an F80 M3
Re: Gruppe-M induction
TRD did some road testing today with the computer plugged in, and it seems that all the live values of the air mass were correct... They did some various other tests and all seemed fine too.. Did you have any mods done to your one when it developed this issue ?
2007 black RS4 saloon. Bilstein Coilovers, MRC Re-map, Miltek non resonated valved exhaust with de-cats, Gruppe-M carbon induction, JHM manifold spacers, Stage 2 manifold, cold air feed.
Re: Gruppe-M induction
I had a stage 2 MRC with remap. Same as I have now, with no issues.
Doug really had a good dig around and could not solve it, same as Cov Audi, both know their sh1t.
Doug really had a good dig around and could not solve it, same as Cov Audi, both know their sh1t.
RS4 B7, Mugello Blue, K&W V3 & HR ARBs, set up by Centre Gravity, Milltek Valved Non Res & cat bypass pipes, BMC air filter, braided hoses, DOT 5.1, Terraclean, MRC Full Carbon Clean, MRC remap 448PS 477NM, 20" S7 alloys with 4mm spacers & Hawke spigots 66.6 > 57.1, AP Racing front discs. Sold Sept 2019. Now rocking an F80 M3
Re: Gruppe-M induction
Did you have an induction kit...
2007 black RS4 saloon. Bilstein Coilovers, MRC Re-map, Miltek non resonated valved exhaust with de-cats, Gruppe-M carbon induction, JHM manifold spacers, Stage 2 manifold, cold air feed.
Re: Gruppe-M induction
Yes Gruppe M
RS4 B7, Mugello Blue, K&W V3 & HR ARBs, set up by Centre Gravity, Milltek Valved Non Res & cat bypass pipes, BMC air filter, braided hoses, DOT 5.1, Terraclean, MRC Full Carbon Clean, MRC remap 448PS 477NM, 20" S7 alloys with 4mm spacers & Hawke spigots 66.6 > 57.1, AP Racing front discs. Sold Sept 2019. Now rocking an F80 M3
Re: Gruppe-M induction
Perhaps time to revert back to the atandard air box then..
2007 black RS4 saloon. Bilstein Coilovers, MRC Re-map, Miltek non resonated valved exhaust with de-cats, Gruppe-M carbon induction, JHM manifold spacers, Stage 2 manifold, cold air feed.
Re: Gruppe-M induction
Have you tried changing the PCV valve yet? They tend to fail and have the idling problems like yours. My dealer couldn't find the problem until I point them to the PCV valve.
Phantom Black R8 V10 plus, Capristo Exhaust
Phantom Black (B7) RS4 Saloon, MRC Stage 2
Mercedes E-Coupe 350CDi
Phantom Black (B7) RS4 Saloon, MRC Stage 2
Mercedes E-Coupe 350CDi
Re: Gruppe-M induction
Tried the standard air box today and no different... I have heard that the pcv valve should 't make any difference to the running, as it can be vented to air and will still run fine...
2007 black RS4 saloon. Bilstein Coilovers, MRC Re-map, Miltek non resonated valved exhaust with de-cats, Gruppe-M carbon induction, JHM manifold spacers, Stage 2 manifold, cold air feed.
Re: Gruppe-M induction
If the PCV valve is faulty or a leak on one of the pipes, it can cause idling problems.
Check out the this thread: - viewtopic.php?f=35&t=114079
Check out the this thread: - viewtopic.php?f=35&t=114079
Phantom Black R8 V10 plus, Capristo Exhaust
Phantom Black (B7) RS4 Saloon, MRC Stage 2
Mercedes E-Coupe 350CDi
Phantom Black (B7) RS4 Saloon, MRC Stage 2
Mercedes E-Coupe 350CDi
Re: Gruppe-M induction
Thanks for the link... That is EXACTLY the same symptoms i have. Is it a manifold off job to change it ?
2007 black RS4 saloon. Bilstein Coilovers, MRC Re-map, Miltek non resonated valved exhaust with de-cats, Gruppe-M carbon induction, JHM manifold spacers, Stage 2 manifold, cold air feed.
Re: Gruppe-M induction
PCV Removal thread: - viewtopic.php?f=35&t=114975&p=734713&hilit
Phantom Black R8 V10 plus, Capristo Exhaust
Phantom Black (B7) RS4 Saloon, MRC Stage 2
Mercedes E-Coupe 350CDi
Phantom Black (B7) RS4 Saloon, MRC Stage 2
Mercedes E-Coupe 350CDi
Re: Gruppe-M induction
Thanks. Awesome.
2007 black RS4 saloon. Bilstein Coilovers, MRC Re-map, Miltek non resonated valved exhaust with de-cats, Gruppe-M carbon induction, JHM manifold spacers, Stage 2 manifold, cold air feed.
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