Inspect your spark plugs as described in chapter 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way.
Kia Cee'd JD Service Manual: Components and components location
Component Location
1. Delta fixed glass
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Kia Cee'd JD Service Manual: Purge Control Solenoid Valve (PCSV) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the PCSV connector.
3.
Measure resistance between the PCSV terminals 1 and 2.
4.
Check that the resistance is within ...