It shows instantaneous change of the turbo boost pressure.
Kia Cee'd JD Service Manual: Repair procedures
Inspection
Check it by the procedure below to see if the function of the ECM is normal.
1.
Turn the ignition key to the "ON" position.
2.
Cover the front sensor to stop functioning.
3.
Shin ...
Kia Cee'd JD Service Manual: Special service tools
Special Service Tools
Item
Illustration
Application
Fuel Pressure Gauge
(09353-24100)
Measuring the fuel line pressure
Fuel Pressure Gauge Adapter
(09353-02100)
...