× 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 February 2010

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
2001 BMW 330Ci 3.0L Cuts out, Stall, MIL Lamp on VIN: WBABS53401
P0128: coolant thermostant. ... and car intermittent cut off. replace inatke air boot, thermostant and intake cam sensor, smoke test, no more leak. erease dtc p0344 come right back and car still cut off. i heard someone mention about maybe a veno problem, but mostly happen on exhaust cam...
February 02, 2010
2002 Rolls Royce ARNAGE 4.5L MIL Lamp on VIN: SCBL31E82C
P0128: Thermostat Regulating Temperature. ... came in with check eng. light on Code P0128 = Therm. Regulating Temp. Dealer suggestion, we replaced thermostat, same code came back same day. Any suggestion will be appriciated Syncerly Marco
February 09, 2010
2006 Chevrolet Malibu LS 2.2L MIL Lamp on VIN: 1G1ZS51F06
P0128: Engine Coolant Temperature Below Thermostat Regulating Temperature. This car has a SES light on with the two codes listed above. I have been on the phone with GM TAC. I reflashed ECM. I have put two stats in and flushed system twice. TAC is saying they have numerous problems with poor coolant flow due to restricted heater core...
February 23, 2010