Fuel Line Pressure Inspection
- 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 : 480 - 520 kPa (4.9 - 5.3 kgf/cm2, 69.6 - 75.4 psi)
- 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 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) |