P0128 Chevrolet -

Question

Replaced both ect sensor and thermostat. No leaks and coolant level is good. Once engine is warm enough or till the temp gauge reaches half way mark. The engine shuts off with fault code p0128 and reduce power on display

Answer 1

P0128 Engine coolant temperature (ECT) below regulating temperature

Clear the code . this code would not cause the reduce power.