GolfGTIforum.co.uk
Model specific boards => Golf mk1 => Topic started by: sparkstu on 28 February 2009, 15:33
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Hi guys, seem to have suffered a long time with poor tick over, random stalling when coming to a halt. I have no air leaks at all and the car runs sweet when driving. I understand that some 16v's have the idle stabilisation valve and some don't ? I do not have one, all the outlets from the air box are capped off. I can only put these probs down to some sort of vacum issue, can any one shed some more light on these issues ? and are they common on my type of conversion, its been to 2 local garages with no success. Hope some one can help its getting a bit of a pain now :sick:
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all 16vs have an idle stablisation system, this is why yours stalls and the idle is uneven. you can raise the idle up a bit and put up with it, or fit the isv control unit and parts :)
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Cheers for that info :smiley: Can you shed some light on the parts required and i will get on with it .
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behind the centre console on a 16v you find the isv control unit, bouut the size of a packet of fags. Follow the loom from this and it runs to 2 white plugs just behind the fusebox, plus a black wire to the fusebox itself (ign live)
Pull this bit out then you need to grab the 2 white plugs and remove these from the donor loom, these run to:
temp sensor
red/black wire to spade hanging off coil plug (rev counter)
over-run cutoff valve behind airbox
idle switch
earth on cylinder head
isv
I have a complete 16v engine mangment wiring diagram if you want it
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Thanks again !! Did you do your own conversion ? only you seem really clued up. Fancy casting your eye over my engine ?? Am down the M3 in Andover i could wizz up one day. Cheers, Stu :smiley:
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as it happens I have just completed the wiring for my MK1 16v cabby ;)
in fact i may even have a spare isv loom kicking about...
i might be around sunday?
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mines doing the same, i replaced the ISV and its still the same, RK engineering did my timing and set the idle higher (turning the screw on your throttle body to the left) , he did it when the engine was hot so it doesnt cut out at junctions but its a b!tch to keep at idle in the morning so i sugjest doin it when its cold! the problem only developed in mine when i changed from a 40mm inlet to a 50mm, only thing i havnt done yet is change the gaskets! let me know how it goes as i have a freind who's having the same issue!
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does the isv buzz when ign on? is there a second red/black wire to the coil with a spade terminal in it?
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Cheers for the offer i am about on sunday as well if convenient, and also should be at no rice on the wednesday if you're going. :smiley:
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canne make sunday now im afraid, not sure I'll be at this months n-r either :(
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behind the centre console on a 16v you find the isv control unit,
Any idea if it is hidden in the same place on a 16v Corrado?
At the point of wiring in my 16v conversion in my mk1 cabby taken from my 16v rado
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on a kr corrado its probably behind the console, may be stuffed up behind fusebox i guess? if you find the 2 white plugs behind the fusebox and follow em back you'll find it. the 2 pin white plug has a white and black wire
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rubjonny - Did you install the whole loom with the ISV on? i.e all the other sensors and stuff?
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yep the whole lot