The EGR Valve is located under the Drives Seat. Flip back the seat and open the access hatch. You will see where the oil cap and to the right you will see a round 3 inch dimerter top with hard lines coming out of it. That is your EGR. on the EGR valve body is a a small 12 or 14 mm hex head plug with two wires protruding from it. this is the EGR temp. sensor. James V bestmr2.com (added to by Toyota tech guy)
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Where is the O2 sensor on 1993 Toyota Mr2
By using water
4 pounds aproximatly
Follow the link below to the Previa user group.http://autos.groups.yahoo.com/group/previa/message/32333
approx 6.1lt
above heater controls center of dash
chain chain
where is the temperature sensor 1993 BMW 318i
http://www.ncttora.com/fsm/1993/engine/92volumeai.pdf
For the 1993 Toyota Tercel, the O2 sensor has three different wire colors. These colors are: black, blue, and white.
Most auto parts retailers can help you.