What's wrong with the low water temperature of Toyota's cleaning throttle?

Oil is insufficient or aging, and there is something wrong with the cooling system.

1, insufficient oil or aging. Toyota engine oil is insufficient or expired, which will also lead to abnormal water temperature for cleaning throttle. After cleaning the throttle, change or add oil in time, and pay attention to changing it regularly.

2. There is something wrong with the cooling system. Problems such as cooling system failure of Toyota engine can also lead to low water temperature for cleaning throttle. The solution is to go to the garage to repair the cooling system.