Silverado 2008

Testing

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Specific to:

Chevrolet Silverado 1500 2008

  1. Turn the ignition switch to ON , but do not start the engine.
  2.  
  3. Disconnect the sensor lead at the sensor. Connect a test lamp to the lead; The lamp should glow. If not, check the wiring, fuses and connections.
  4.  
  5. Disconnect the test lamp and ground the connector. The gauge should read at the HOT mark.
  6.  
  7. Remove the connector from ground. The gauge should read at the COLD mark.
  8.  
  9. At 104°F (40°C) the resistance of the sensor should be 1365 ohms.
  10.  
  11. At 257°F (125°C) the resistance of the sensor should be 55 ohms.
  12.  

 
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