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Home >> Lexus >> 2010 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0340) >> SFI System >> DTC P0128: Thermostat Malfunction >> Monitor Strategy
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Monitor Strategy

Related DTCs P0128: Coolant thermostat
Required Sensors/Components (Main) Thermostat
Required Sensors/Components (Related) ECT sensor, IAT sensor, Vehicle speed sensor
Frequency of Operation Once per drive cycle
Duration 15 minutes
MIL Operation 2 driving cycles
Sequence of Operation None
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