Inspection Procedure
WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition "OFF".
- Disconnect fuel pump relay in junction box.
- Start engine and wait until it stalls.
- Ignition "OFF".
- Connect fuel pump relay.
- Install the fuel pressure gauge to the delivery pipe with the fuel pressure gauge adaptor. (refer to FUEL PRESSURE TEST )
- Activate the fuel pump, check that there are no fuel leaks from the pressure gauge or fuel system.
- Measure the fuel pressure at idle.
- Is the measured fuel pressure within specifications?
Specification: 330 - 370 kPa (3.36 - 3.77 kgf/cm2 , 47.8 - 53.6 psi)
| Fuel pressure | Cause | Related Parts |
|---|---|---|
| Too low | Fuel filter clogged | Fuel filter |
| Fuel leakage | Fuel pressure regulator | |
| Too high | Fuel pressure regulator stuck | Fuel pressure regulator |
Good
- Go to "WIRING INSPECTION " procedure.
No Good
- Repair or replace according to the table below. Go to "VERIFICATION OF REPAIR " procedure.