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| Registered Join Date: Jan 2009 Location: Tasmania, Australia 
					Posts: 418
				 |  Strange speedo behaviour 
			Recently my speedo behaves a bit oddly. It seems to work well but gets 'stuck' at around 80 kph. up to that it's ok, then things seem to slow down. to add to the mystery the ventilation setting seems to have an influence: if i direct more air upwards it gets worse, if i direct the air towards the footwell the speedo seems to work better. any ideas where to start looking? many thanks in advance geo 
				__________________ cheers hg 1988 911 Cabrio | ||
|  11-18-2010, 01:50 PM | 
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| dar636 | 
			Clean all your grounds.  I have had good luck with odd and intermittant issues by cleaning mine up one at a time.  I have a Bentley's manual at home that shows the ground locations, not here at work or I would end you a copy of the page.....sorry.
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|  11-18-2010, 02:09 PM | 
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| Jupiter 911 Join Date: Sep 2007 Location: Jupiter Fl 
					Posts: 663
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			Mine did  almost the same thing, I sent it out for repair and they fixed the odometer but said the speed was performing correctly, so up to this point I just live with it.
		 
				__________________ Lenny-1987 3.2 Targa Guards Red/SW Chip Fabspeed Exhaust/Cat bypass MSDS Inc. intake/Clewetts Euro pistons and cylinders. 2002 Boxster Artic Silver/Wifes ride. | ||
|  11-18-2010, 02:12 PM | 
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