S15/T15 Sonoma P/U 2WD V6-262 4.3L VIN Z TBI (1995)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
With Vehicle Control Module (VCM)
Diagnostic Trouble Code (DTC) P0118 or DTC P0117 indicates a failure in the engine coolant temperature sensor circuit.
Most scan tools display engine coolant temperature in degrees centigrade. After engine is started the temperature should rise steadily to about 90°
C (194°F), then stabilize when thermostat opens.