2003 Saturn Vue 3.0L V6, what's the remedy for p0128?
Start by checking for coolant level at the reservoir. If the level is low it means that there most be a coolant leak. If no coolant leaks are present then you probably need to replaced the thermostat.
P0128 SATURN - Engine Coolant Temperature Below Thermostat Regulating Temperature Read more: https://www.autocodes.com/p0128_saturn.html
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