Trouble code P0128 means: ECT Sensor Below Thermostat Regulating Temperature
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
Trouble code P0128 means: Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
Start with replacing the thermostat.
Coolant Temp below thermostat regulating temp.
The engine is not reaching normal operating temperature. Replace the thermostat.
P0401 = Insufficient EGR Flow
In a Pontiac Grand Am error code P0410 means there is an emissions problem.
Trouble code P0128 means: ECT Sensor Below Thermostat Regulating Temperature
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
Trouble code P0128 means: ECT Sensor Below Thermostat Regulating Temperature
The factory code for your 1997 Pontiac Grand Prix is 152 159. The unlock code for the radio is 0229.