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Home >> Lexus >> 2009 >> IS 250 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS P0010 - P0368) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

ECT SENSOR COLD START MONITOR

ECT sensor value change Less than 5°C (9°F)
ECT SENSOR SOAK MONITOR

Difference between current ECT sensor value and pervious ECT sensor value when engine stopped Less than 5°C (9°F)
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