Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: symes on 13 March 2012, 20:53:10
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You may have seen other thread about my car stopping dead Well its still doing it Changed crank sensor/coilpack/leads/ plugs/fuel filter and MAF all from vauxhall its got cam covers and breathers done. Any ideas!!! Apart from summer banger meet!!! :'( :'( :'(
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this must be the related thread
http://www.omegaowners.com/forum/index.php?topic=100619.msg1260893#msg1260893 (http://www.omegaowners.com/forum/index.php?topic=100619.msg1260893#msg1260893)
imo better continue from there..
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yep fine yesterday then tonight did it again - think over weekend will be putting my purple saloon on the road and scrapping the estate really wierd fine one day and then not.... :(
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dose this fault come on, on tick over just stud on drive?
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Does it do it on petrol and LPG?
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drive along then slow down and stop at junction-engine cuts restarts straight away ??? ??? and same on lpg
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drive along then slow down and stop at junction-engine cuts restarts straight away ??? ??? and same on lpg
Never cuts above 1000rpm?
Is the idle rock solid at 550rpm (assuming AC working)?
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steady at 550 never cuts above 1000
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Is it always on deceleration? If you left it idling on the drive, would it do it?
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always on deceleration never when idling
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IMHO, points towards ICV
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is that Idle Control Valve?
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yes, mine was same till I took the ICV out cleaned throughly, popped it back and no problems. It was well solid no flow through it at all
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You may have seen other thread about my car stopping dead Well its still doing it Changed crank sensor/coilpack/leads/ plugs/fuel filter and MAF all from vauxhall its got cam covers and breathers done. Any ideas!!! Apart from summer banger meet!!! :'( :'( :'(
Sounds like you been having a bad time with one thing and another , your heading the right way though ... ICV idle control valve as you say , give it a clean and light lube . Mine was giving same problem but cleaned and runs fine now , worth a shot. I used brake cleaner and let it soak a few mins then empty out and dry and put 1-2 drops of light oil in ...may take a few miles to settle after its been cleaned ;)
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been in garage ealier and cleaned valve out with carb cleaner then WD40 . soon find out tomorrow morning when I go to work if its ok or not.
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been in garage ealier and cleaned valve out with carb cleaner then WD40 . soon find out tomorrow morning when I go to work if its ok or not.
WD40 is a Water Dispersant, in a very light solvent solution as a carrier fluid .. it is crap as a lubricant as most of it evaporates.
IF you've gone to the trouble of cleaning it properly, then lubricate it properly with a light oil .. sewing machine oil is probably best .. if not 3-in-1 or similar ....
use an OIL .. not a solvent solution !!!
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When at work will take it off again and use oil mate we use duck oil will that do?
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Duck oil is the same as WD40, it's a water repellent so no, use what they said, a light machine oil or 3 in 1 and very sparingly. Don't know if they are the same design but when I cleaned mine on my Omega A the first time I used slightly more than 1 or 2 drops and within a month it had clogged up with very fine particles sticking to the oil turning it into a kind of varnish, had to do it all again!
Don't make my mistake and hope everything works all right for you. :y
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Defo icv.
It may take several attempts to clean icv until it works reliably, it may also be buggered.
Don't be tempted to poke sharp implements in the outlet of the icv, like a flat blade screw driver, to see if the valve opens. There's a good risk the leading edge may well chip and it can then stick.
It's very easy to clean your self, couple of jubilee clips and and electrical plug, keep tools, carb cleaner, 3in1 oil in the boot for next time it happens.
If after 4 or 5 attempts to clean it still plays up, replace it. Good used off here though, dealer wants £90 odd
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It is the same unit as the Omega A (Carlton) 2.0 and 2.6 so there will be plenty of good used spares about - I have a few!
3 in 1 works well - as Jon said just one or two drops. I have also seen gun oil work well.