Kia Sportage: Evaporative Emission Control System / Fuel Filler Cap Description and operation
A ratchet tightening device on the threaded fuel filler cap reduces the chances
of incorrect installation, which seals the fuel filler. After the gasket on
the fuel filler cap and the filler neck flange contact each other, the ratchet
produces a loud clicking noise indicating the seal has been set.

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the PCSV connector.
3.
Measure resistance betwe ...
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-)
terminal.
2.
Lift the vehicle.
3. ...
Other information:
Fuel Pressure Test (Low
pressure system)
1.
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - Inspection - "Release Residual
Pressure in Fuel Line").
...
Description
The fuel pressure sensor (FPS) is installed on the top of the low pressure fuel
pump and measures the pressure in the low pressure fuel line.Based on the fuel
pressure measured by the FPS and the amount of fuel consumed, the fuel pump
control module (FPCM) determ ...