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P0128 Diagnostic Trouble Code Discussion for November 2004

Thermostat System Malfunction


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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2001 Pontiac Aztek 3.4L MIL Lamp on VIN: 3G7DA03E01
P0128: ECT Sensor Below Thermostat Regulating Temperature. ... soon and the temp gauge falls below cold and serv. eng. lite is on. Has codes for temp curcuit problem but the system is working fine at this time. Cleared the codes and code p1189 for oil pressure problem returned. Replace oil pressure switch and codes di...
November 05, 2004
2001 Pontiac Aztek 3.4L MIL Lamp on VIN: 3G7DA03E01
P0128: ECT Sensor Below Thermostat Regulating Temperature. ... soon and the temp gauge falls below cold and serv. eng. lite is on. Has codes for temp curcuit problem but the system is working fine at this time. Cleared the codes and code p1189 for oil pressure problem returned. Replace oil pressure switch and codes di...
November 05, 2004