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Model specific boards => Golf mk2 => Topic started by: lingl9z on 31 July 2010, 13:30
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Hi sorry to post about this but a search never revealled anything of help.
I'm lead to believe the ISV is causing my idling issue - I had my golf in at a vw specialist and he done all the usual, checked for air leaks etc which pointed him back to the ISV.
He explained that when the cars started it rev's to around 1500 then drops straight down to 1200 and remains there but nice and steady (does this sound like an isv fault?)
Okay so the question is.... are any of the ISV's currently sold on ebay any good as there a lot cheaper than the ones @ vw? I just don't want to buy one if it's going to be useless! also will an 8v ISV work as I'm lead to believe they have no module?
alternatively is there anyone in the croydon area that could whack their isv on mine to see if the problem persist's?
Regards
Rich.
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look for 16v idling issue/problem.
take off isv and spray in carb cleaner until its full cover holes and shake about a bit then empty repeat until clear fluid comes out, then allow to dry and refit. also you may have a knackered o ring on the idling screw. remove idle screw from throttle body and clean it and the hole, refit screw and adjust idle to 950-1050.
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cheers buddy, guess I'll give that ago before buying a new one! :)
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Also will me replacing the ISV/Cleaning it solve the issue with it smelling like it's running rich? as the vw specialist said he's set it to vw spec but it still smells a bit petrolly ?
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I'm 6 miles out of Croydon you can try mine to see if makes a difference
I have a 8V and 16V ISV, but the 16V was tested and did work before stripping the old gal down.
I'm not selling it to you just helping you out if you need a test part?
Pm and I'll give you my mobile and you can come down fella!
Jay
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thanks for that buddy, Pm'd!
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Is your vw spec retarded? :grin:
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Could the isv still be chuffed if the isv vibrates and makes a noise like a florescent light when the ignition is on?
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mine buzzes on ignition then stops, have you cleaned it yet? if not its pointless until you do
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Still not fixed yet LOL?
One thing dont tamper with the screw its surprising how many people do it then Feck it up.
Have you clamped the air pipe does it make a difference? :wink:
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Thanks for the help today Jay really appreciate it, atleast now I know what the problem is and pretty much what I need to do to sort it.
Was nice meeting you aswell.
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come on spill the beans what was the problem? post up solution mate it helps others :wink:
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Thanks for the help today Jay really appreciate it, atleast now I know what the problem is and pretty much what I need to do to sort it.
Was nice meeting you aswell.
No problems mate just test it in the morning and see if the ISV can handle the cold start it should, but lets keep it on test for now! :grin:
come on spill the beans what was the problem? post up solution mate it helps others :wink:
His ISV was stuck in the open position and letting in too much boost at idle hence chucking a sh!t load of fuel.
The best way like I said before is to clamp the air hose pipe and see if it makes a difference in Rich's case it made a big difference cutting out the extra boost from the ISV improved idle.
I've given him a spare one to test out for a week or so as its an untested ISV I had lying around.
The other method of testing is to unplug it when the engine is warming up, the revs should plumet if it doesn't the ISV is stuck the other way not opening enough to let air in!
someone has tampered with the idle screws to compensate for the extra boost, hence it was overfuelling badly.
Either way no point in tuning it unless he has a decent ISV working to specs! :tongue:
Jay
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^ As Jay said basically, seem's to run/sound a bit more regular will just need to see how it works in the morning etc then get it re-tuned again so should hopefully be okay :)
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thanx guys good work :wink: