Diagnostic Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC P0116: ECT Sensor Performance (Steps 1-3)

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Fig 2: DTC P0116: ECT Sensor Performance (Steps 4-10)

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Fig 3: DTC P0116: ECT Sensor Performance (Steps 11-18)

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Fig 4: DTC P0116: ECT Sensor Performance (Steps 19-27)

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SENSOR TEMPERATURE VS. RESISTANCE

Temperature - °F (°C)

⁽¹⁾ Ohms

302 (150)

284 (140)

266 (130)

248 (120)

100

230 (110)

132

212 (100)

177

194 (90)

241

176 (80)

332

158 (70)

467

140 (60)

667

122 (50)

973

113 (45)

1188

104 (40)

1459

95 (35)

1802

86 (30)

2238

77 (25)

2796

68 (20)

3520

59 (15)

4450

50 (10)

5670

41 (5)

7280

32 (0)

9420

23 (-5)

12,300

14 (-10)

16,180

5 (-15)

21,450

-4 (-20)

28,680

-22 (-30)

52,700

-40 (-40)

100,700

⁽¹⁾	Measure resistance across sensor terminals.