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Posted on Dec 16, 2009
Answered by a Fixya Expert

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I need a speed sensor for a 1987 300zx, my digital dash speedometer stays at zero?

  • Marvin
    Marvin May 11, 2010

    yes that would be the speed sensor most likely, but it can also be a speedo readout problem in the electronics of the speedo head.

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  • Master 1,586 Answers
  • Posted on Dec 16, 2009
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Order one from www.courtesyparts.com (Courtesy Nissan in TX) - they were great for all the years I had my 90 300ZX.

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Related Questions:

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Speedometer works when it wants, replaced the sensor, what else could be wrong?

There are a couple of possibilities.

The new sensor is faulty as well.

A bad connection on the speedometer/dash cluster.

A GPS unit will tell your speed as will the phone App 'Waze'.
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My speedometer is erratic

You need to grease the speedometer cable
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1994 Cadillac Eldorado speedometer stays on zero

Unless you have a totally stripped-down Eldorado, your speedometer is most likely ELECTRONIC (probably even has a digital readout).
Check your Trip Computer. Has it stopped reading fuel economy, distance to empty, etc.?
Is your odometer also not adding miles as you drive?
If affirmative to all of the above, replace your SPEED SENSOR, and you'll be all set :)
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Speedometer won't work at all.

If the speedometer and odometer are both dead, the problem is usually the speed sensor in the transmission.
If only the speedometer is dead, the speedometer and cluster may have to be repaired or replaced.
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Speedometer stays at zero while driving

Is there an ABS light on also? I would suggest that you check for trouble codes first, but it could indicate that the vehicle speed sensor is faulty. Check for the obvious first, fuses, connections to the instrument panel, and trouble codes. Auto Zone and other stores offer computer code reading for free if you don't have the tool.
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The speedometer is stuck below zero. How do I fix that on my own?

This is most likely a faulty speed sensor on the transmission but may be a faulty Dash board controller. This should be electronic. If there is no voltage on the wires going to the speedometer it is the Speed sensor or TCM.
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Speedometer drops to zero while moving and then

The Vehicle Speed Sensor located on the Transmission is malfunctioning or the connection is malfunctioning.
It is very easily removed and replaced.
The Vehicle Speed Sensor sends vital information for the Transmission to properly Shift. Because yours is malfunctioning, this lack of information is causing shifting problems.
I do not know if you have a Mechanical or Electrical (Gauges or Digital) Instrument Display. I also do not know if you have a 17 or 19 bolt transmission pan, nor what type of transmission you have (AX4N or AX4S) Nor if you have a Speedometer Cable (Mechanical Instrument will have Gauges=Cable).
The best thing to do is to check the connections of the Vehicle Speed Sensor. Unplug and check both sides of the connection for corrosion/oxidation. You can also take this sensor out of the transmission and clean the interior end; reinstall and recheck operation.
If this does not fix the problem, then remove and replace this snsor.
Take the Sensor with you to the auto parts store to compare the part you receive. You should know what tansmission you have and the number of bolts on the transmission pan, and whether you have an Electronic (Digital) Instrument Panel or Mechanical (Gauges) Instrument Panel on your dash.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!
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Speedometer drops to zero for period of time & then comes back, Check enfgine light also on

HI. This will be the fault of a defective speed sensor. The module is responsible for transferring the correct data to the ic, located just behind your in-dash speedometer. This sensor must be replaced. The location of the affected part will be mounted on the transmission. Normally, mounted on the front of the transmission housing.

Replace the speed sensor asap.
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2000 ford focus speedometer stuck at max speed

pop off the cover put it back to zero. that worked for my 2003 ford focus.
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