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P0128 Diagnostic Trouble Code Discussion for November 2019

Thermostat System Malfunction

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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2012 Chevrolet Equinox LS 2.4L MIL Lamp on VIN: 2GNFLCEKXC
P0128: engine time to temp too long. ... liter engine is setting a P0128 Engine time to temperature DTC. I have replaced the thermostat twice with an ACDELCO thermostat from the dealership. I have also replaced the engine coolant temperature sensor With AC Delco part in the cylinder head n...
November 10, 2019