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Author Topic: Pierburg Idle Speed - Again!!  (Read 969 times)

Offline keithyboy

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Pierburg Idle Speed - Again!!
« on: 11 July 2006, 09:23 »
I replaced the rubber carb mounting thing at the weekend as it was totally perished and causing rough and slow idling. I drove it briefly at the weekend and it seemed ok but this morning I have an hot idle speed of 2200 rpm. It isn't rough, it just idles at a rock steady 2200.

I'm guessing at an airlock in the cooling system around the carb, any other ideas?
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Wrong wheels and mine's Calypso not snot but it's close enough

Offline rubjonny

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Re: Pierburg Idle Speed - Again!!
« Reply #1 on: 11 July 2006, 17:09 »
either that or the coolant channel o'ring in the inlet manifold has swolen and clogged the coolant system, check my pierberg post in the mk2 maintenance + info section :)

It may also be a faulty waxstat, if you remove it and chuck it in a tub of boiling water you should see the pin in the middle extend.  Doing this can also 'reset' a faulty one sometimes :)
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Hello my name is John and I'm a dub addict.
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