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2006
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GS 430
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (3UZ-FE)
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SFI System
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DTC P0116 Engine Coolant Temperature Circuit Range / Performance Problem
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
ECT sensor stuck (low ECT):
ECT SENSOR RESISTANCE CHART
ECT change
Less than 3°C (5.4°F)
ECT sensor stuck (high ECT):
ECT SENSOR RESISTANCE CHART
ECT change
1°C (1.8°F) or less