Where is the speedometer sensor on a zx2?

The speedometer sensor is on top of the transmission, on the driver's side of vehicle, firewall side of engine. (USA, 5 speed manual)

1) Gain access from above by removing the segment of snorkel between the air filter and the throttle body.

2) Unplug the wiring harness by pulling straight up on the plug

• it comes right off.

3) The retaining bracket supports the wire running to the O2 sensor. You will need a small pry-bar to pop it out.

4) There is a 10mm retaining bolt right next to the sensor body. Remove it.

5) Grab sensor, twist and pull up and out. If it is corroded and won't budge, jack up the car and get it from underneath using a *small* vice grips. Grab it by the metal base - not the plastic upper. You may need to remove the bracket to do this. Insert a drift into the hole used for the O2 harness and work it off.