speedo problem

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big monkey racing
Posts: 168
Joined: Tue Nov 06, 2007 3:38 pm
Car: 1990 240sx

Post

i have a 90 hatch and i just change the speedo because it would go up to 42 mph and stay there. now the one i just put in goes up like normal but starts out at 12mph when sitting still. so i can assume that it moves up correctly just is not calibrated. is there a way to reset the speedo to zero or would i be better off trying to find a replacement?


compactfean
Posts: 2602
Joined: Thu Dec 03, 2009 10:28 am
Car: 89 240sx s13 sr gt3071r 23psi
B14 sentra ser sr20de-t 7psi
daily
Location: reno nv

Post

Sounds like the gauge is messed up. Speedo sensors don't put out any signal when parked.


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