Hyundai Ioniq (AE): Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve. Description and operation

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Electrical System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve. Description and operation

Operation Principle

    Inspection1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose.3. Run the engine at idle, then put a finger over the open end of the PCV valve and make sure that intake manifold vacuum can be felt.

    Removal1. Disconnect the vapor hose (A).2. Remove the PCV valve (B).Inspection1.Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Schematic diagrams

    System Block DiagramComponent Parts and Function Outline Component part Function Vehicle-speed sensor, ESP/ABS Control ModuleConverts vehicle speed to pulse.VCUReceives signals from sensor and control switches.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Troubleshooting

    Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se

    Categories

     
    Copyright В© 2026 www.hioniqae.com - 0.0139