Driving with sticky intake manifold flaps

4.2 V8 32v Naturally Aspirated - 414 bhp
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EddyPee
2nd Gear
Posts: 162
Joined: Fri Aug 26, 2011 12:52 pm

Driving with sticky intake manifold flaps

Post by EddyPee » Sat Sep 17, 2016 2:06 pm

Hi all

Just had the Audi assist people out after the EPC light came on. Hoped it would be a cool as that's what it's been every other time but they have diagnosed sticking intake manifold flaps which can't be fixed by the road.

Seems to drive as normal, not lumpy or misfiring but I didn't want to take any risks with it.

Is there any major implications to driving it any distance with his diagnosis?

I probably can't get it in to Audi for a few days and really have somewhere to be later on.

Cheers all!

mustdash
3rd Gear
Posts: 276
Joined: Wed Apr 16, 2014 5:47 pm

Re: Driving with sticky intake manifold flaps

Post by mustdash » Sun Sep 18, 2016 7:12 pm

I drove back from Le Mans with sticky flaps. I then drove about 1500 miles before getting it fixed (MRC manifold flap delete and stage 2)..... Didn't cause any issues at all.
CURRENT: Montecarlo Blue Alfa Romeo Giulia Quadrifolglio, 2.9ltr bi-turbo, 510bhp
PREVIOUS: Volvo V60 Polestar, build number 149/700 worldwide - 3ltr straight 6 turbo. 350bhp remapped to 400bhp. Only one of 120 in the UK
PREVIOUS: Misano red B7 saloon, stage 2 map to 425bhp, manifold flap delete, KW V3 coilovers.

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Starry
4th Gear
Posts: 777
Joined: Fri Jul 15, 2016 9:42 pm

Re: Driving with sticky intake manifold flaps

Post by Starry » Sun Sep 18, 2016 7:29 pm

Yeah its fine, i did 2000 or so miles with mine before MRC chucked them in the bin. Probably due to carbon build up.
2006 RS4
Phantom black
MRC Stage 2, Milltek non res, pre cat delete,
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Covkiller
Top Gear
Posts: 2349
Joined: Fri Mar 28, 2008 3:44 pm
Location: Coventry

Re: Driving with sticky intake manifold flaps

Post by Covkiller » Sun Sep 18, 2016 10:04 pm

Get a carbon clean, leave the flaps in if they are ok. I did, I only deleted them when the there was play in the rail and they didn't work properly.
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

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