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07-05-2007, 06:32 PM
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#1 | ||
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Starter Motor
Join Date: Apr 2007
Posts: 6
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I have a AU Series 1 (1999) Auto and 6 cylinder, and the speedo occasionally 'hops' between 0 and 20ish km/h whilst at a standstill. I had a search on the forum, including in the 'common problems' thread, and there is one mention of a similar problem (amidst a general diatribe against the AU) but there didn't seem to be any follow-up or advice.
Does anyone know what causes this? Is it common? Is it indicative of a bigger problem or has an easy solution? |
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07-05-2007, 06:33 PM
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#2 | ||
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FF.Com.Au Hardcore
 
Join Date: Dec 2004
Posts: 12,083
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Its usually attributed to an earthing problem.. much like the oil pressure gauge issue.
__________________
Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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07-05-2007, 06:59 PM
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#3 | ||
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FF.Com.Au Hardcore
Join Date: Apr 2006
Location: Australia
Posts: 1,452
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Check this out...
http://www.fordforums.com.au/showthread.php?t=95045 Then this... http://www.fordforums.com.au/showthread.php?t=98562 |
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07-05-2007, 11:23 PM
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#4 | ||
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Regular Member
Join Date: Oct 2005
Location: Sydney
Posts: 288
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i had a similar problem but mine also got stuck sometimes,
turned out the wiring at the back of the speedo was loose and eventually fell off and i had nothing for a while lol. |
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08-05-2007, 10:23 AM
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#5 | ||
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Starter Motor
Join Date: Apr 2007
Posts: 6
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Thanks for your help.
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13-05-2007, 08:29 PM
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#6 | ||
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Starter Motor
Join Date: Apr 2007
Posts: 6
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A bit of an update is in order. The car was due its next service shortly after I wrote the first post (its just clocked up 200k) so I thought I'd wait till then as it isn't a serious problem and more an annoyance.
So whilst it was up on the ramps in the midst of its oil change etc. I pull the gearbox connectors and give them a good cleanup as per GK's post - scrape with a screwdriver and spray with some electrical cleaning spray, dislodging a surprising amount of dirt. Go for a drive, and the box seems to shift more crisply and kickdown better, so I'm happy on that front. However, a little later on when stopped at traffic lights the original problem occurred again. So I guess I'll move on to the next of the possible causes, a dodgy earth. Which of the earth(s) are prone to dodgy connections (especially ones relating to the gearbox/instrument cluster) that I should look at first or might overlook? |
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AU Series 1 Speedo
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