KIA Niro: Engine Mechanical System / Repair Procedures

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Engine Mechanical System / Engine Mechanical System / Repair Procedures

Compression Pressure Inspection

Warning If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. Warm up and stop the engine. Allow the engine to warm up to normal operating temperature. Remove the air cleaner. (R

Engine Mechanical System / Troubleshooting

Symptoms : Engine misfire with abnormal internal lower engine noises Suspected area â†’ Remedy Worn crankshaft bearings â†’ Replace the crankshaft and bearings as re

Cooling System

Components Reservoir tank Reservoir hose & pipe Radiator Radiator upper hose Radiator lower hose Radiator upper mounting bracket (RH) Radiator upper mounting bracket (LH) Radiator lower mounting insulator (RH) Radiator low

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High Voltage System

Vehicle components 12V auxiliary battery The 12V auxiliary battery is located in the right side of the luggage room, and powers all of the vehicle's standard electronics like radio, air conditioner, etc. Also, it powers the HPCU (Hybrid

Mass Air Flow Sensor (MAFS)

Description MAFS uses a sensing element made of a hot-film to measure the mass of intake air entering the engine and to send the signal to the ECM. A large amount of intake air represents acceleration or high load conditions while a small am