ITEM NAME:Coolant Water Temperature Sensor For ACCORD CIVIC ACURA PRELUDE NSX 37870PJ7003- Feature: Brand new and high quality. Coolant Temperature Sensor (CTS) Location The Coolant Temperature Sensor may be located on the engine block, intake manifold, or cylinder head Failure Symptom: The coolant temperature sensor is required by the computer for correct engine coolant temperature measurement.cylinder head Failure Malfunction Indicator Light (MIL) illumination, failed emission test, engine no-start.Acura NSX (05-91). Coolant Temperature Sensor (CTS). Location The Coolant Temperature Sensor may be located on the engine block, intake manifold, or cylinder head Failure Symptom Prelude (01-88). 1X Engine Coolant Temperature Sensor.