Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2023 Kia Niro Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE
Description And Operation: Description
- Variable Force Solenoid (VFS) supplies the engine oil to the cam phaser or cuts the engine oil from the cam phaser in accordance with the Engine Control Module (ECM) Pulse Width Modulation (PWM) control signal, the cam phaser which varies the cam phase by using the hydraulic force of the engine oil.
- The delivered oil rotates the rotor connected to the camshaft of the cam phaser and rotates the camshaft to the engine rotating direction (intake advanced/exhaust retarded) or the opposite direction (intake retarded/exhaust advanced) to change the phase angle of the cam.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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