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2005 Chevrolet Equinox Question: i have a error code P0128 COOLING TEMP
Answer #1milesauto from Miles Auto Service Inc., August 15, 2012, 11:21Master
That code is a coolant tempuature is not getting to full operating tempuature. First thing to check is to verify temp sensor is connected properly. This code could mean the coolant thermostat is stuck open not allowing temp to build up properly. Also coolant level should be checked to make sure it is full.
Answer #2Greg's Orange Auto (10955 Answers) , Orange, CA - (714) 361-9355globalhelper August 15, 2012, 12:27Master
miles is correct