Jamie_Hastings1
Member
Registered: 14th Aug 08
Location: Sanquhar, Dumfries and Galloway
User status: Offline
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Is the tps set up the same as on an xe/let? My tps butterfly was jammed open and it that was my problem.
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marklawton
Member
Registered: 24th Apr 05
Location: Pensby, Wirral Drives:Golf mk4 GTI
User status: Offline
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my brother thinks its icv as thats what his use to do when his broke. use carb cleaner or wd40 and do it while the engine is running and it should try and cut out
[Edited on 19-04-2010 by marklawton]
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Crana
Member
Registered: 20th Jan 09
Location: Newcastle
User status: Offline
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massive air leak? or try another tb it might be faulty? When my engine first got put in it had a air leak and it was ticking over at 3k+
[Edited on 19-04-2010 by Crana]
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Crana
Member
Registered: 20th Jan 09
Location: Newcastle
User status: Offline
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Forgot to say mate to test for an air leak get someone brave to put there hand over the throttle body and you will hear the air leak also check all the vac pipes and that they are on right because that would make it idle funny as well and make sure the brake servo vac pipe is in right at both ends hope you get sorted mate as I know its a total kick in the balls feeling when something doesn't work right 
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billy_t15
Member
Registered: 25th Jun 09
User status: Offline
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when i first got my vtr everytime i turned the ignition on it redlined, 
i looked under the bonnet and the 2 bolts that held the rail that plugs into the spark plugs (forgot what its called) like ht leads were ruined so i got new ones and bolted it down properly and now its fine hope this helps
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shaunmods
Premium Member
Registered: 12th Mar 07
Location: Glascote, Staffordshire
User status: Offline
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Cheers for all your help guys  Tonight we tried forcing down onto the powerbox to see if it was a dodgey seal but it make no difference so I'm just about to order a new ICV so I can go from there. I've checked all the vacuum pipes and brake servo connections and they all look fine so I think the ICV is all it can be now
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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what happens if you unplug the icv whilst its running
[Edited on 20-04-2010 by Steve]
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shaunmods
Premium Member
Registered: 12th Mar 07
Location: Glascote, Staffordshire
User status: Offline
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quote:
Originally posted by Steve
what happens if you unplug the icv whilst its running
Just been and tried that Steve, with the ICV unplugged it does exactly the same thing
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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hmmm. he says, have you got a resistor to bridge the contacts in the plug?
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Chris x
Member
Registered: 11th Sep 08
Location: Bexhill
User status: Offline
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Fucked ECU?
Car looks perfect btw Shaun!
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Linch
Member
Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline
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Thats a air leak. everything tight? washers on the bolts on the power box?
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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spay wd40 around all the inlet joints and listen for a drop in the revs, that will indicate roughly where a leak is if any
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Olsrey
Member
Registered: 13th Jan 07
Location: Bradford Drives: LET Vectra B
User status: Offline
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Agree with Linch, it sounds like an air leak. My mates did exactly the same when he fitted his Dbilas manifold. They'd left a bolt loose.
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Linch
Member
Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline
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^ good advice
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MarkSport
Member
Registered: 22nd May 09
User status: Offline
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I agree with all the lads here shaun.after seeing it in the flesh it seems to be an air leak but the ICV definately needs changing as the hacked one just aint good enough. get sadla to fit the power box again.hes good at that stuff!
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shaunmods
Premium Member
Registered: 12th Mar 07
Location: Glascote, Staffordshire
User status: Offline
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I think I may have found the problem 
Me and Alex (AW06) have been racking our brains trying to work out what the hells wrong with it. I got reading on MIG to get some more ideas. One thread had the exact same problem as me and it turn out to be a dodgey TB gaskets so I thought I go and double check mine and found this!
Sorry for the very crap pic. Basically, I've got a stud missing on the throttle body where its held onto the inlet So I reckon thats got to be it? I can't see how the hell I'm going to get a bolt in there though 
Edit. Just checked Warrens guide. I can see where I've gone wrong now! For that one you have to screw a stud through the back. Got it I think!!! 
[Edited on 20-04-2010 by shaunmods]
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dalejones
Member
Registered: 9th Dec 08
Location: Swansea, Wales
User status: Offline
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good effort!
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MarkSport
Member
Registered: 22nd May 09
User status: Offline
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Archie
Organiser: Scotland
Premium Member
Registered: 18th Dec 07
Location: South Ayrshire
User status: Offline
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Top work on this, loving how clean the engine bay is, so much attention to detail !
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Mark.W
Member
Registered: 3rd Jan 07
Location: County Durham
User status: Offline
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Brilliant work Shaun,hope that missing bolt is the one to solve the problem
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shaunmods
Premium Member
Registered: 12th Mar 07
Location: Glascote, Staffordshire
User status: Offline
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Well that didn't go as I'd hoped I was really hoping that the hole went right through to the inside of the inlet chamber so that I could put the bolt in the opposite way to the other three if that makes sense. Basically there isn't enough room to get a big enough bolt in to get a good seal. It really is a shit design compared to the mantzel ones.
I've tried using threaded bar but I just can't see what I'm meant to be doing. There's got to be a certain way of doing it but I'll be damned if I can work out what it is 
People using the VX performance inlet - How have you sorted this problem please?
[Edited on 21-04-2010 by shaunmods]
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jibjob
Member
Registered: 6th Apr 08
Location: Elworth, Cheshire
User status: Offline
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I have the exact same problem with mine mate. I just tightenend the other 3 up as tight as i could then just sealed that hole shut. Fingers crossed it works i couldnt get a socket or spanner onto the end of the bolt to thats why i just gave up on it
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cjohnson
Member
Registered: 27th Apr 08
Location: silsden,west yorks.Drive: Astra van
User status: Offline
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Mine has a piece of threaded bar through that hole. Mine came with a TB on it already though so I didn't do it, but I presume this was done before it was fitted!  haha. You will sort something out mate!
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MarkSport
Member
Registered: 22nd May 09
User status: Offline
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agreed there shaun.when that lad on here was selling them he asked for your tb in exchange for one fitted to the power box
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shaunmods
Premium Member
Registered: 12th Mar 07
Location: Glascote, Staffordshire
User status: Offline
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Sorted it!! Tonight me and my dad completely stripped down the inlet and re did it from scratch. This time we used gasket sealant to make sure we got good seals. We then put it back together a fired it up and its soo much better! The revs and hunting a little bit and it does sound a bit rough to be honest but it should hopefully sort itself out once it been left to allowed to run and let everything settle down for a bit.
A massive thanks to everyone who's helped me  I was so annoyed with it earlier but I'm chuffed to bits now its up and running!
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