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 Owners Manual: Climate Control Air Filter
Filter Inspection The climate control air filter should be replaced according to the Maintenance Schedule. If the vehicle is operated in severely air-polluted cities or on dusty rough roads for a long period, it should be inspected more frequently and replaced earlier. When you replace the climat ...

Hyundai Sonata LF 2014-2019 Owners Manual: Low Tire Pressure Warning Light
This warning light illuminates: Once you set the ignition switch or the Engine Start/Stop button to the ON position. - It illuminates for approximately 3 seconds and then goes off. When one or more of your tires are significantly underinflated (The location of the underinflated tires are di ...

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