GolfGTIforum.co.uk
Model specific boards => Golf mk2 => Topic started by: Ceptor on 26 February 2004, 13:37
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I have another annoying problem with a 2E2 carb.
Some time ago the car started to run with a very high idle speed of approx 3000rpm. I solved this temporarily by messing with some of the vacuum pipes, I didn't know what I was doing!
I eventually replaced the 'pull down unit' and the 'idling-over-run-control valve' and recently the rubber carb mounting flange.
But after all this when I plugged the electrical leads back into this idle control valve the revs shot up again so now I run with it unplugged and the car runs reasonably well but not great and it's also not great on fuel either, about 25mpg.
Can anyone help with a way to check the carb and recommend a way to tune it up?
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Next thing to look at might be the waxstat, its mounted on the front below the pull down unit, and has 2 coolant hoses coming out of it.
You can check its working by chucking it in a bowl of boiling water, you should see a pin pop out of it. This treatment can sometimes fix dodgy units as it resets the Wax I've heard? Either way they're cheap to buy from GSF.
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Checked the price with the local VAG at ?44 plus VAT.... They seem to think that that won't be the problem as the symtoms the car has would be different - not idling when cold but ok when hot. Whereas my car has a v. high engine speed hot or cold(over 3000rpm) unless I pull the electrical plug out of the 'idling overrun control valve' and then it runs ok.