speedo stuck at 240 - Maintenance and Repair Forum

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speedo stuck at 240
Wednesday, November 23, 2011 1:06 PM
so we had a big winter storm (car is lowered 2" so i was hitting a fair bit of snow on the highways) and i had to drive for over an hour home from school, the speedo was working fine in town and as i was on the highway for 45 min till i got almost home and just before slowing down to get off at my exit my speedo needle started to climb and just kept going till it hit 240 and could go no further and it was like then when i was at a complete stop. i shut off the car when i got home and let it sit for a min and restarted it just to see if it would reset and it didnt budge.........

i did some reading on here and i didnt see any of the same symptoms as any of the other problems had. am i looking at a broken cable or vss? also where is the speedo sensor mounted?



150.0 DB, Loudest in Atlantic Canada, Street Class A.
Next year 155 DB

Re: speedo stuck at 240
Wednesday, November 23, 2011 1:42 PM
Gauge cluster is probably shot, mine does the same thing.



Re: speedo stuck at 240
Wednesday, November 23, 2011 6:29 PM
damn..... so what would cause that?? just loose internals? or are thy known for just giving out?



150.0 DB, Loudest in Atlantic Canada, Street Class A.
Next year 155 DB
Re: speedo stuck at 240
Thursday, November 24, 2011 8:58 AM
Probably vibrations, or just age...
I think mine went out from the vibrations given off by my mounts and the exhaust after a while. Just go grab one from the scrapyard and call it a day.



Re: speedo stuck at 240
Thursday, November 24, 2011 1:43 PM
ok that makes sense then casue the drive home during the storm was rough as all hell.



150.0 DB, Loudest in Atlantic Canada, Street Class A.
Next year 155 DB
Re: speedo stuck at 240
Thursday, November 24, 2011 3:10 PM
so my speedo is no longer stuck, it moves as i speed up and slow down, just it starts at 80 instead of 0, so i think quick math will work for now. at least i cant still know my speed



150.0 DB, Loudest in Atlantic Canada, Street Class A.
Next year 155 DB
Re: speedo stuck at 240
Thursday, November 24, 2011 3:58 PM
Spitfire wrote:so my speedo is no longer stuck, it moves as i speed up and slow down, just it starts at 80 instead of 0, so i think quick math will work for now. at least i cant still know my speed

It will drop back to 0 eventually and might even work for a month or so, but one day it will randomly start acting up again when you don't expect it.
It's dying basically, and if you don't want to continue to guess your speed, I'd replace it with a junkyard one at least.



Re: speedo stuck at 240
Friday, November 25, 2011 1:06 PM
Yep, grab one from the junkyard they aren't that hard to replace, just read up because you don't want to miss a screw and have trouble taking the dash apart. It isn't that tough of a job. First my fuel guage would randomly work until it quit completely, then the temperature gauge would act up along with my speedometer would decide to start losing mph's a little at a time, so I'd be going 55 on the speedo and really be going 60, then a few minutes later I'd be going 55 but really be going 65, until I'd get to about 75 and wonder what was going on so I had to start using the tach to double check all the time, sometimes it would work all the time, it wouldn't do it all the time so you'd never know unless it would finally drop to 25 or something and I'd be driving at 4000 rpm wondering what was going on. I finally just got another set of gauges from the yard for $45 and problem solved all my gauges work again. The only bad part was the car had 116,000 miles on it and that is about when my gauges quit working, don't know why I can never find the 10,000 mile car when I need parts out of the yard but that is just the way it goes sometimes.
Re: speedo stuck at 240
Saturday, November 26, 2011 3:53 PM
well it seems to be working ok for now, been checking my speed vs revs and it still seems to be acurate, but if totaly lets go on me i'll be heading to the junk yard. mines got 183,XXX on it now so im suprise it lasted this long.



150.0 DB, Loudest in Atlantic Canada, Street Class A.
Next year 155 DB
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