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Home › Oldsmobile › 1990 › Cutlass Calais Base, 4D Sedan, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes - 2.3L PFI › Diagnostic Tests › Code 14: Coolant Temp Sensor Signal Volt Low › Notes

Code 14: Coolant Temp Sensor Signal Volt Low: Notes

  1. Code 14 will be set if signal voltage indicates temperature greater than 285°F (140°C) and engine has been operating for more than 128 seconds.
  2. This test will indicate if circuit No. 410 is shorted to ground and set a Code 14.
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