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Old 01-05-2011, 07:44 AM   #1
Jonathan
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Member#: 4021
Join Date: Feb 2001
Chapter/Region: NESIC
Location: Natick, MA USA
Vehicle:
1999 Legacy GT Ltd
Quick Silver Metallic

Default Speedometer reads zero MPH

1999 Legacy GT 5-speed with less than 80,000 miles.

It happens intermittently although it seems to happen more and more often... possibly related to cold weather.

Has anyone else had this problem, and if so what did you do to fix it ?

Yes, I should have done a search, but I am not sure what keywords to use.

Thanks !
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Old 01-05-2011, 09:26 AM   #2
Samirr76
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Member#: 4835
Join Date: Mar 2001
Chapter/Region: Tri-State
Location: Fl33tw00d, PA
Vehicle:
2003 Baja 5MT
Yellow w/ 220,000 miles

Default

Does it happen when you're stopped?
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Old 01-05-2011, 10:02 AM   #3
fibuz
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Member#: 53410
Join Date: Jan 2004
Chapter/Region: SWIC
Location: Tucson, AZ / Port Angeles, WA
Vehicle:
BE-> GD->GR->SG->BL
WAawd.org

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I think I've heard something about water/loose connections on the speed sensor/wiring. That's where i'd start.
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Old 01-05-2011, 02:54 PM   #4
DLC
out back
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Join Date: Jul 2000
Chapter/Region: RMIC
Location: 84XXX
Vehicle:
05 OB XT LTD
Silver/Gray

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Mine will do it once in a while also. It seems related to colder temps, but it normally snaps back in a minute.
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Old 01-05-2011, 09:11 PM   #5
bangedlegacywagon97
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Member#: 215017
Join Date: Jun 2009
Chapter/Region: NWIC
Location: Redmond WA
Vehicle:
97OB 2004 civic
:-)

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Happened to me recently. Replacing the speed sensor on top of the tranny fixed it.

Btw if left unfixed like I did the ECU goes into limp mode.
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Old 01-06-2011, 04:10 PM   #6
Jonathan
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Member#: 4021
Join Date: Feb 2001
Chapter/Region: NESIC
Location: Natick, MA USA
Vehicle:
1999 Legacy GT Ltd
Quick Silver Metallic

Default

Quote:
Originally Posted by Samirr76 View Post
Does it happen when you're stopped?
Interestingly enough, when stopped, it appears to consistently read Zero MPH.

This is as it should.

Its when its reading ZERO and I am traveling along at perhaps 40-50 MPH and I see a speed limit 45 MPH sign and there is a cop behind me, that I get nervous as I don't really know how fast I am traveling.
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Old 01-06-2011, 07:30 PM   #7
droppedOB
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Join Date: Jul 2010
Chapter/Region: MWSOC
Location: Ames, IA
Vehicle:
2002 WRX
BSM

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second on the speed sensor. i picked one up at autozone for 120ish bucks but im sure its cheaper at rockauto. fixed it completely!
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Old 01-07-2012, 08:08 PM   #8
namdoogttam
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Member#: 306178
Join Date: Jan 2012
Chapter/Region: MWSOC
Location: Duluth, MN
Vehicle:
1999 Subaru Forester
Red

Default Try this first!

This seems to be a very common problem with the 1999's.

Before you buy anything, I recommend trying the no-cost fix in this video first: www.youtube.com/watch?v=jNP-lnHB2RY

I had an intermittently working speedometer/odometer for 11 months. It drive me mad because I was trying to keep track of mileage while it wasn't working, which was on-and-off all the time. Oh, not to mention the fact that you have no idea how fast you're going.
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