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s2 cuttin out under boost

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Old May 4, 2005 | 09:53 AM
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From: Lincs
Default s2 cuttin out under boost

may not b in right place, but gets more views here lol

in 3rd, but esp 4th or 5th gear, when on full boost, if you drop the clutch the revs just die and she cuts out...

any ideas? think i read sumwhere awhile ago that it may be crank position sensor...

dre
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Old May 4, 2005 | 10:18 AM
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do you have a dumpvalve
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Old May 4, 2005 | 10:25 AM
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From: Lincs
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yup well lane turbo centres own make, came with car, is silver with 'well lane' machined on it.

goes ptschhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh for about 2 secs, ppl have said it sounds too long lol

could this be it?
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Old May 4, 2005 | 10:32 AM
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possibly an air leak.. take the dumper off, and block the hose. See how this goes
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Old May 4, 2005 | 10:50 AM
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will try, dunno what to use to block it with, and also to block the thin hose on top of it... does the lil 1 need to b plugged?
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Old May 4, 2005 | 10:57 AM
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take the T piece off the lil 'vacum' hose and plug it onto the inlet manifold. . thats that one taken care of.

get a broom handle and cut the end off it, about 2-3" and tighten with a jubilee clip, sorted
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Old May 4, 2005 | 11:01 AM
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dont get wat u mean bout the lil vacum hose mate... couldnt explain a bit bette could u? a bit slow 2day!
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Old May 4, 2005 | 11:16 AM
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Right soz...

there will be a T-piece where the dump valve vacum hose taps into the original hose, take the T piece Off and connect the original vacum hose from the ECU box - the inlet manifold!

HTH
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Old May 4, 2005 | 11:22 AM
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will try mate, cheers!
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Old May 4, 2005 | 12:02 PM
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hhave you got a crappy cvh oil cap still? had a similiar prob with mine, changed that for a oil cap for one that you lock in using an alan key not had it since and make sure you dip stick isnt loose like the other fella said its an air leak.
be careful of taking the dump valve off when I ask about this a few months ago, few people said they took theyre dump off and they blew the turbo within the week,
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Old May 4, 2005 | 12:09 PM
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few people said they took theyre dump off and they blew the turbo within the week,
really? am gettin a bailys d.v tomoz so will how that wks...
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Old May 4, 2005 | 12:38 PM
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S2_Steve, nothing to do with the turbo unless its a T4+ running loads of boost i.e. 25psi+
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Old May 4, 2005 | 12:48 PM
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you won't have a crank position sensor if its running MFi mate
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Old May 4, 2005 | 12:52 PM
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if it dumps for 2+secs then sounds like the spring is WANKED... lol

leaking dumpvalves (ie 90% of dumpvalves... lol) will cause the car to not idle properly.

it takes seconds to remove the dumpvalve and take it for a spin round the block to test it... go n do it now mate
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Old May 4, 2005 | 01:08 PM
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From: Lincs
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it takes seconds to remove the dumpvalve and take it for a spin round the block to test it... go n do it now mate
im on my moms pc, dunno how id block the dv take off pipe here! i ant gonna cut up 1 of her brooms! ill have a look around 4 summink...
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Old May 4, 2005 | 02:09 PM
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just cut her broom up!
otherwise i find a tip-ex bottle fits nicely also
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Old May 4, 2005 | 02:12 PM
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the little one from the top, if you cant just take it off completely, get a self tapper screw, these fit in there nicely if you get one the right size

as for the big hole... there are loads of household items that'll fit in the hole nicely
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Old May 4, 2005 | 02:20 PM
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Andre, take the dump valve off, it drove better without one anyway!!
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Old May 4, 2005 | 02:25 PM
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From: Lincs
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Andre, take the dump valve off, it drove better without one anyway!!
cheers mate, will do! so i presume webbhoy bought it off u?!? u have pm
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Old May 4, 2005 | 02:28 PM
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Originally Posted by vroooom ptssssh
S2_Steve, nothing to do with the turbo unless its a T4+ running loads of boost i.e. 25psi+
No way man! A DV saves the life of many turbos, big and small!
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Old May 4, 2005 | 02:30 PM
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GD, prove it
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Old May 4, 2005 | 06:49 PM
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From: Scottyland
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Bollarx, damn wish the search function was bk for that multiple thread on it
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