× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0128 Diagnostic Trouble Code Discussion for October 2009

Thermostat System Malfunction

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC12F85
P0128: ECT Sensor Below Thermostat Regulating Temperature. Car came in last night for MIL on, p0128 found. customer has taken car to pep boys for this code 3 times in the last six months, each time they said they had to replace the stat. car was at normal temp when it came in and customer couldn't leave it but is retu...
October 30, 2009