P0128 Diagnostic Trouble Code Discussion for March 2006
Thermostat System Malfunction
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| Help Request | Posted | |
| 2003 Ford Focus ZX3 2.0L MIL Lamp on VIN: 3FAHP31383 P0128: coolant temp below thermostat regulating temp. this vehicle came in with a code po 128 (coolant temp below thermostat regulating temp) customer also had a vague complaint that the car was a little sluggish since the light came on. all sensors involved such as the coolant temp sensors and the intake air tem... |
March 22, 2006 |
