Hyundai Equus: Air cleaner filter

Vapor hose and fuel filler cap

The vapor hose and fuel filler cap should be inspected at those intervals specified in the maintenance schedule. Make sure that a new vapor hose or fuel filler cap is correctly replaced. ...

Spark plugs

Make sure to install new spark plugs of the correct heat range. ...

See also:

Middle Speed Sensor Description and Operation
Description The middle speed sensor measures the rate of rotation of the 6C outer drum inside the transmission and delivers the readings to the TCM. ...

Positive Crankcase Ventilation (PCV) Valve Description and Operation
Operation Principle ...

Front LCD monitor Components and Components Location
Components ...