Positive Crankcase Ventilation System Inspection
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.
- Check the engine oil level. The oil level should be between the min. and max. marking. Fill to the correct oil level
- Check crankcase ventilation valve for improper installation, damaged o-rings and malfunctioning.
- Warm up the engine to normal operating temperature
- Connect GDS and note the "SHORT TERM FUEL-B1" parameter on the GDS data list.
- Disconnect and plug the positive crankcase ventilation at the intake manifold side
- Monitor the "SHORT TERM FUEL-B1" parameter on the GDS data list once again.
Specification: The value should remain more or less unchanged
- Is the displayed value within the specified value?
YES
- Go to next step below.
NO
- Check the PCV (Positive Crankcase Ventilation) valve for operation properly. Refer to POSITIVE CRANKCASE VENTILATION (PCV) VALVE . If OK, check that engine oil is diluted with fuel. Change the oil or filter as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure