What causes P2181 code?
What causes P2181 code?
High or low engine temperature or a faulty thermometer are the usual causes of trouble code P2181. Overheating can ruin an engine in a matter of minutes, whereas an engine running too cool could be slightly less urgent. Try to normalize engine temperature as soon as possible.
What does error code P0128 mean?
The most common cause for P0128 is the engine coolant thermostat is stuck open. When the thermostat does open, the hot coolant should start to flow and quickly warm up the radiator hose. If the radiator hose heats up slowly, the thermostat is stuck open or opening prematurely and needs to be replaced.
What are signs of a bad coolant temp sensor?
Bad Coolant Temperature Sensor Symptoms
- Check Engine Light.
- Poor Mileage.
- Electrical Cooling Fans not coming on.
- Black Smoke from the Exhaust Pipe.
- Difficult Starting Condition.
- Engine Overheats.
- Poor Idling.
- Poor Engine performance.
