Questions & Answers for: Saturn Vue code p0128

...sticking open and not alowing the engine to reach operating temperature. The most common telltale to this condition is usually the service engine soon light is on with a p0128 code stored in the

...code P0128. the car is not overheating so i assume it's not the thermostat. it may be the engine coolant temperature sensor ECTS. does anyone know where it's located on a 2003 Saturn Vue 6 cycl.? is ...

...p0128 code came up. He reset the onboard computer and it went off but it came back on again shortly. He said it would be at least $500 to replace the engine coolant thermostat. He also asked if the ...

...P0128 code is to indicate a faulty thermostat. Similar codes: P0125A code P0128 may mean that one or more of the following has happened:    Low engine coolant level    ...

...code p0128 indicates a mechanical fault ( could be the thermostat stuck open) code p0174 -system too lean -bank2 ===causes --intake /exhaust leak--fuel pressure/pump--injectors--AIR system--hose ...