GM Service Manual Online
For 1990-2009 cars only

Sensor Resistance Table O/AT and I/AT Sensors - ohms

C / F

Outside Resistance (ohms)

Temperature vs. Resistance Values

-40

242,700 ohms

-30 / -22

177,000 ohms

-20 / -4

97,060 ohms

-10 / -14

55,319 ohms

0 / 32

32,654 ohms

10 / 50

19,903 ohms

20 / 68

12,493 ohms

30 / 86

8,056 ohms

40 / 104

5,327 ohms

50 / 122

3,603 ohms

60 / 140

2,488 ohms

°C / °F

Inside Resistance (ohms)

Temperature vs. Resistance Values

-40 / -40

100,701

-30 / -22

52,671

-20 / -4

28,661

-10 / -14

16,159

0 / 32

9,407

10 / 50

5,666

20 / 68

3,514

30 / 86

2,237

40 / 104

1,459

50 / 122

973

60 / 140

667