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P0128 Diagnostic Trouble Code Discussion for November 2010

Thermostat System Malfunction

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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2006 BMW 325xi 3.0L MIL Lamp on VIN: WBAVD13506
P0128: Coolant Thermostat Temp low. Hi all, Thank you for your time. I have to think this is serious, I have ignored it and reset the ECU and it comes back, I have pulled out the VANOS solenoids and they were clean and clear but the computer still thinks it is off. Then of course the thermostat ...
November 02, 2010