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Home › Lexus › 2007 › RX 400h AWD › Repair and Diagnosis › Engine Performance › Engine Control System › SFI System › DTC P0116 Engine Coolant Temperature Circuit Range / Performance Problem › Typical Malfunction Thresholds

Typical Malfunction Thresholds

ECT Sensor cold start monitor: 

TYPICAL MALFUNCTION THRESHOLDS

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

ECT Sensor soak monitor: 

TYPICAL MALFUNCTION THRESHOLDS

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