Kia Niro 2017 (DE HEV) Service Manual: Mass Air Flow Sensor (MAFS) Repair procedures
Inspection
1.
Visually check the MAFS for the following:
–
Correct mounting direction
–
Any contamination, corrosion or damage on connector
–
Clogged or we ...
Kia Niro 2017 (DE HEV) Service Manual: Coolant Repair procedures
Refilling And Bleeding
Never remove the cap when the engine is hot. Serious scalding could be
caused by hot fluid under high pressure escaping from the reservoir.
  ...