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Home >> Audi >> 2010 >> A4 2.0T >> Repair and Diagnosis >> External Pages >> Different car >> Section 376 (Engine Control System (Diagnostic Codes (P0010-P0172))) >> SFI System >> DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) [08/2013 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
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)
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