LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Geo >> 1990 >> Metro LSi, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Engine Controls - System/Component Tests >> Coolant Temperature Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Coolant Temperature Sensor

  1. Remove coolant temperature sensor. See COOLANT TEMPERATURE SENSOR LOCATION  table.
  2. Measure resistance of sensor at designated temperatures. Replace if not within specification. See COOLANT TEMPERATURE SENSOR RESISTANCE  table.
COOLANT TEMPERATURE SENSOR LOCATION

Application Location
Metro Side of Throttle Body
COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C) Resistance Ohms
-40 (-40) 100,700
0 (-18) 25,000
20 (-7) 13,500
40 (4) 7,500
70 (20) 3,400
100 (38) 1,800
160 (70) 450
210 (100) 185
EGR TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C) Resistance Ohms
68 (20) 214,000-313,000
104 (40) 90,900-126,000
140 (60) 42,100-55,500
176 (80) 21,100-26,500
212 (100) 11,200-13,600