Hyundai Elantra: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Description and Operation

Repair procedures

Inspection 1. 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 ove ...

Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger move ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Fuel Tank Air Filter Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the battery negative (-) terminal. 2. Remove the canister assembly. (Refer to Emission Control System - "Canister") 3. Remove the installation bolt (A), and then remove the air filter (B). 4. Release the lever (A), and then separa ...

Hyundai Elantra AD (2016-2020) Owners Manual: Fuses
A vehicle’s electrical system is protected from electrical overload damage by fuses. This vehicle has 2 (or 3) fuse panels, one located in the driver's side panel bolster, the other in the engine compartment near the battery. If any of your vehicle’s lights, accessories, or controls ...