Fuel Line Pressure 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 fuel for excessive water, alcohol, or other contaminants. Replace contaminated fuel as necessary.
- Install a fuel pressure gage
- Inspect fuel pressure with normal idle status
Specification: 338~348kPa (3.45~3.55kg/cm2 )
- Is fuel pressure within the specified value?
YES
- Go to next step below
NO
- Inspect the suspected area. Refer to table below. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Condition Possible Cause Suspected Area Fuel Pressure is too low Clogged fuel filter Fuel filter Fuel leak on the fuel-pressure regulator that is assembled on fuel pump Fuel Pump (Fuel Pressure Regulator) Fuel Pressure is too high Sticking fuel pressure regulator Fuel Pump (Fuel Pressure Regulator)