Hyundai Equus: Exhaust Emission Control System

Fuel Tank Air Filter Repair procedures

Replacement 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the service cover (A). 3. Disconnect the canister close valve connector (A). 4. Di ...

Description and Operation

Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, int ...

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DRIVE mode / SNOW mode
The drive mode may be selected according to the driver’s preference or road condition. The system initializes to the NORMAL mode when the Engine Start/Stop Button is turned off and on. It is d ...

Intake Actuator Description and Operation
Description The intake actuator is located at the blower unit. It regulates the intake door by a signal from the control unit. Pressing the intake selection switch will shift between recirculat ...

Fuel Filler Cap Description and Operation
Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler. After the gasket on the fuel filler cap ...