Crankcase Emission Control System; Evaporative Emission Control System Including Onboard Refueling Vapor Recovery (Orvr) - Hyundai Sonata 2016 Owner's Manual

E E M M I I S S S S I I O O N N C C O O N N T T R R O O L L S S Y Y S S T T E E M M
The emission control system of your
vehicle is covered by a written limited
warranty. Please see the warranty
information contained in the Owner's
Handbook & Warranty Information
booklet in your vehicle.
Your vehicle is equipped with an
emission control system to meet all
applicable emission regulations.
There are three emission control
systems, as follows.
(1) Crankcase emission control sys-
tem
(2) Evaporative emission control sys-
tem
(3) Exhaust emission control system
In order to assure the proper function
of the emission control systems, it is
recommended that you have your
vehicle inspected and maintained by
an authorized HYUNDAI dealer in
accordance with the maintenance
schedule in this manual.
CAUTION
For the Inspection
Maintenance Test (With Electronic
Stability Control (ESC) system)
•
To prevent the vehicle from
ESC activation
dynamometer testing, turn the
Electronic Stability Control
(ESC) system off by pressing
the ESC switch (ESC OFF
light illuminated).
•
After dynamometer testing is
completed, turn the ESC sys-
tem back on by pressing the
ESC switch again.
1. Crankcase emission control
system
The positive crankcase ventilation
and
system is employed to prevent air
pollution caused by blow-by gases
being emitted from the crankcase.
This system supplies fresh filtered air
during
to the crankcase through the air
intake hose. Inside the crankcase,
the fresh air mixes with blow-by
gases, which then pass through the
PCV valve into the induction system.
2. Evaporative emission control
system including onboard
refueling vapor recovery
(ORVR)
The Evaporative Emission Control
System is designed to prevent fuel
vapors from escaping into the atmos-
phere. The
designed to allow the vapors from
the fuel tank to be loaded into a can-
ister while refueling at the gas sta-
tion, preventing the escape of fuel
vapors into the atmosphere.
7
ORVR system is
7-93