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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Controls - System/Component Tests - 3.3L (CNG)) >> Engine Sensors & Switches >> Fuel Temperature Sensor

Fuel Temperature Sensor

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.

Sensor is mounted in fuel injector rail. With key off, disconnect wire connector from sensor. Connect ohmmeter between sensor terminals. If ohmmeter readings are not within specification, replace sensor. See TEMPERATURE SENSOR RESISTANCE table.

TEMPERATURE SENSOR RESISTANCE

Temperature k/ohms
-40°F (-40°C) 291.5-381.7
-4°F (-20°C) 85.9-108.4
14°F (-10°C) 49.3-61.4
32°F (0°C) 29.3-36.0
50°F (10°C) 18.0-21.8
68°F (20°C) 11.4-13.6
77°F (25°C) 9.1-10.9
86°F (30°C) 7.4-8.8
104°F (40°C) 4.9-5.8
122°F (50°C) 3.3-3.9
140°F (60°C) 2.3-2.7
158°F (70°C) 1.6-1.9
176°F (80°C) 1.2-1.3
194°F (90°C) .86-.97
212°F (100°C) .64-.72
230°F (110°C) .48-.54
248°F (120°C) .37-.41