Mechanics

SPEEDOMETER

1992 Honda Accord • 340,000 miles

Recently my speedometer does not work when car first starts and drives, after 3-8 minutes it begins to jump around and finally works properly with no excess movement. Does not happen every time as sometimes there is no issue and it works as it should. Looking for some quick checks or elimination tests to determine a possible source. Weather has begun to get cooler, could this have any affect?

Thanks
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Supermoto
October 7, 2013.



Have your speed sensor checked
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Hmac300
Oct 7, 2013.
Thank you, is this something I can test at home? How? Or an autoparts shop? I can't get all four wheels off the ground to complete a running test with vehicle on and in drive

Thanks again.

Tiny
Supermoto
Oct 7, 2013.
It's on the transaxle and it hs to pulse between 0-5 volts when turning. It could be a wiring issue as well unless there is a speedo cable if there is lube it

Hmac300
Oct 7, 2013.

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