GM Service Manual Online
For 1990-2009 cars only

°C

°F

ECT Sensor

IAT Sensor

Ohms

Temperature vs Resistance Values - Approximate

100

212

177

187

90

194

241

246

80

176

332

327

70

158

467

441

60

140

667

603

50

122

973

837

45

113

1,188

991

40

104

1,459

1,180

35

95

1,802

1,412

30

86

2,238

1,700

25

77

2,796

2,055

20

68

3,520

2,500

15

59

4,450

3,055

10

50

5,670

3,760

5

41

7,280

4,651

0

32

9,420

5,800

-5

23

12,300

7,273

-10

14

16,180

9,200

-15

5

21,450

9,200

-20

-4

28,680

15,080

-30

-22

52,700

25,600

-40

-40

100,700

45,300