Check Injector For Normal Operation

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.

Start the engine.
Check that RPM decreases when performing the injector actuation test.
Is there any cylinder without change or only a small change in RPM?
YES
- Replace injector. Go to "VERIFICATION OF REPAIR " procedure.
NO
- Clear DTC and Test-drive under enable conditions. After the test, if this DTC is set, go to "SYSTEM INSPECTION " procedure. If not, Troubleshooting is completed.