Hyundai Sonata: Emission Control System / Evaporative Emission Control System

Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal 1. Disconnect the PCV 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 moves. ...

Description and Operation
Description The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes thro ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting SymptomSuspect areaRemedyEngine misfire with abnormal internal lower engine noises.Loose or improperly installed engine flywheel.Repair or replace the flywheel as required.Worn piston rings.(Oil consumption may or may not cause the engine to misfire.)Inspect the cylinder for a l ...

Hyundai Sonata LF 2014-2019 Owners Manual: Air bag inflation conditions
Front air bags Front air bags and the driver's knee air bag are designed to inflate in a frontal collision depending on the severity, speed, or angles of impact of the front collision. Side and curtain air bags Side and curtain air bags are designed to inflate when an impact is detected by side ...

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