davcohen
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Registered: 1st Nov 03
Location: North London
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what is the easiest and cheapest way of fixing this problem, the engine is a C16XE
seems slow to drop in revs and idle seems a bit random although sometimes steady, i want to remove the inlet and clean it all but it looks pretty tight back there?
any info would be great
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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idle control vallve.
they get a bit dirty. give it a clean.
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MoNkEy MaGiC
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Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
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depends how bad the problem is, i used to get it slightly a year back or so, and it fixed itself... ive cleaned and replaced almost every other sensor in the engine bay except for th ICV... so it must be the cause of it as i still get jerky throttel responce!
also on the c16xe its a mission to get the manifold of and then get to the ICV!!!
and i think a new ICV sensor from vauxhall is about £100 
if u do get it off give it a good clean first and then try it 
[Edited on 03-08-2005 by MoNkEy MaGiC]
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ash_corsa
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Registered: 15th Apr 04
Location: Shrewsbury
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this is EXACTLY whats happening on my gsi (pre ecotec)
idles at 2,000rpm sometimes and take a while for revs to drop during gear changes etc. othertimes the car is totaly fine!
it also happend on my SRi 8v and i cleaned the ICV with carb cleaner and it solved the problem, the haynes manual looks complicated and says you have to drain the coolant and de-pressurise the fuel system??? all i wanna do is clean the damn thing! new ICV from vaux is £58!!! so defo worth tryin to clean it
im also not getting any ecu light on the dash which i used to on my old SRi
just how easy / hard is it to remove the inlet manifold? i believe its quite easy after thats out of the way?
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Jake
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Registered: 24th Jan 05
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how would you clean it?
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dna23
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Registered: 1st Nov 04
Location: Northamptonshire
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quote:
Originally posted by jake
how would you clean it?
take it off, get some carb cleaner and give it a nice spray
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davcohen
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Registered: 1st Nov 03
Location: North London
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so once i remove the plastic inlet i should more or less be able to easily access it,
hate reading the haynes manual as it gives you the longest way possible
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ash_corsa
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Registered: 15th Apr 04
Location: Shrewsbury
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the haynes manual makes it sound such a hard job! whats under the plastic inlet manifold? any pics off anyone????
where exactly is the icv?
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davcohen
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Registered: 1st Nov 03
Location: North London
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it has star headed bolts, i cant remove it till i get the correct socket bits which is quite annoying
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danny-corsa
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Registered: 15th Mar 05
Location: Warwickshire Drives: Astra GSi 16v
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on a c16xe, the throttle body screws are put in from the bottom and go into the plastic inlet. on an x16xe the screws are from the top making the job soo much easier. when i did my headgasket these screws proved a right slag to get out. if you give the car a few good runs without too much stopping it might clear up a bit. or totally
[Edited on 06-08-2005 by danny-corsa]
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ash_corsa
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Registered: 15th Apr 04
Location: Shrewsbury
User status: Offline
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will carb cleaner down the air intake help?
with the filter off obviously!
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martferguson
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Registered: 15th Jan 05
Location: Southampton
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i'm selling one on ebay if you need one all cleaned up and ready to go, is a bitch to get off though and fit a new one. starting price is £15 so cheaper than £100 brand new from vauxhall.
for £15.00 you'll at least have an ICV that has only done 15,000 miles since new. link :- http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=4567156948&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1
Mart.
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davcohen
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Registered: 1st Nov 03
Location: North London
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how the feck du get at it
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davcohen
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Registered: 1st Nov 03
Location: North London
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hmm randomly got worse now usually idles at like 2-2.5k slower to drop revs and its making the car quite jerky for some reason
....would it not be possible for me to push that rubber pipe back as far as possible then spray some carb cleaner into the inlet as a temporary fix surely this would atleast remove some of the cack that has probably built up in there
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ash_corsa
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Registered: 15th Apr 04
Location: Shrewsbury
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thats exactly what i did mate, helped for a day or 2 but has gone back to how it was now
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davcohen
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Registered: 1st Nov 03
Location: North London
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well ill give it a try tomz i think and see what happens
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