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Home >> Acura >> 2000 >> Integra GS-R, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0116: Engine Coolant Temperature (ECT) Sensor Range/Performance Problem
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DTC P0116: Engine Coolant Temperature (ECT) Sensor Range/Performance Problem

NOTE: If DTC P0117 and/or P0118 are set, trouble shoot those DTCs before proceeding.

Start engine and run at 3000 RPM, with no loads and transmission in Park or Neutral, until radiator cooling fan comes on. Allow engine to idle. Using scan tool, check ECT data. If indicated temperature is 176-200°F (80-93°C), or voltage is .4-.7 volt, problem is intermittent. System is okay at this time. Check cooling system. If indicated temperature is not 176-200°F (80-93°C), or voltage is not .4-.7 volt, check thermostat and cooling system. If cooling system is okay, replace ECT sensor.

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