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Home >> Toyota >> 2017 >> RAV4 Limited, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> SFI System [2AR-FE] (Diagnostic Codes) (Except Hybrid) (4 Of 7) >> SFI System >> DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) [10/2015 - 08/2016] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Duration that both of following conditions met 5 seconds or more
(a) Estimated engine coolant temperature 75°C (167°F) or higher
(b) Engine coolant temperature sensor output Less than 75°C (167°F)