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P0128 Diagnostic Trouble Code Discussion for January 2005

Thermostat System Malfunction


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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2001 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J11
P0128: Engine Coolant Temperature Below Thermostat Regulating Temperature. Well this one has me stumped. Customer came in for an intake manifold gasket with oil in the coolant, apparently they had it checked at another shop because we didnt have to diagnose the leak. After the repair was finished the car ran great, but i noticed it s...
January 10, 2005
2001 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J11
P0128: Engine Coolant Temperature Below Thermostat Regulating Temperature. Well this one has me stumped. Customer came in for an intake manifold gasket with oil in the coolant, apparently they had it checked at another shop because we didnt have to diagnose the leak. After the repair was finished the car ran great, but i noticed it s...
January 10, 2005