1998 Honda Civic Speedometer Not Working

1998 HONDA CIVIC
175,000 MILES • 4 CYL • FWD • AUTOMATIC
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FISHMAN1963
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In the past few weeks, the speedometer and odometer have nearly stopped working. They work intermittently, and when the speedometer works, the odometer works as well. When they aren't working, the speedometer shows about 20 mph. When going a very slow speed, it jumps between 15 and 25 mph, and then "averages" at about 20 mph at higher speeds. When starting the car, it jumps up to either 15 or 25 mph. Occasionally, I can "jar" it into working by hitting the reset on the trip odometer, but this usually doesn't work. I was told that it was most likely the vehicle speed sensor. However, I tried a brand new one, and it did not fix the problem. What else could it be, and if so, how would I go about fixing it?
Jan 13, 2008 at 9:41 AM
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MHPAUTOS
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  • 31,937 POSTS
Hi there,

The first thing to do is investigate the coolant loss, have the system pressure tested to help locate any leaks, the thermostat is located in the domed housing where the top radiator hose attaches to the motor.

Mark (mhpautos)
Dec 20, 2007 at 3:37 PM