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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0128 or P01F0 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0128 

ECT Sensor 1 = Less than the thermostat regulating temperature - For greater than 1 s

P01F0 

ECT Sensor 1 = Colder than 65°C (149°F) - For greater than 60 s

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