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P0128 Diagnostic Trouble Code Discussion for October 2011

Thermostat System Malfunction

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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2002 Saturn L300 3.0L MIL Lamp on VIN: 1G8JW54R02
P0128: Engine Coolant Temperature Below Thermostat Operating Range. ... with a 3.0, code p0128. I know it needs a thermostat but alldata is a little vague on the replacement procedure,looks like intakes have to come off but my concern is the coolant pipe attached to the t-stat housing does it clear the radiator when the engine...
October 24, 2011