1989 Geo Tracker LSi, AutomaticFACTORY OEM SERVICE PROCEDURE

Mat Resistance: Notes

MANIFOLD AIR TEMPERATURE SENSOR RESISTANCE VALUES

Temperature Β°F (Β°C) Resistance Ohms
Metro & Tracker
210 (99) 185
160 (71) 450
100 (38) 1800
70 (21) 3400
40 (4) 7500
20 (-7) 13,500
0 (-18) 25,000
-40 (-40) 100,000
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.