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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Control System (3UR-FBE) - Diagnostic Codes (1 Of 6)) >> SFI System >> DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) [08/2015 - 10/2016] >> Monitor Strategy

Monitor Strategy

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Related DTCs P0128: Coolant Thermostat
Required Sensors/Components (Main) Thermostat
Required Sensors/Components (Related) Engine Coolant Temperature (ECT) sensor, Intake Air Temperature (IAT) sensor, Vehicle speed sensor
Frequency of Operation Once per driving cycle
Duration 940 seconds
MIL Operation 2 driving cycles
Sequence of Operation None
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