System Inspection
- Check clog on Exhaust gas system
- Key "OFF".
- Check clog on muffler or catalyst converter.
- Is Exhaust gas system O.K?
YES
- Go to 2 "Intake air system check" procedure.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Intake air system check.
- Check clog on Intake air system"
- Check clog of air-cleaner.
- Check deterioration or contamination on throttle body and gasket.
- Check contamination, damage, stuck or clog on intake manifold, hoses, PCSV, ISCA and injectors.
- Is there any problem?
YES
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
NO
- Go to 3 "Fuel line check" procedure.
- Check clog on Intake air system"
- Fuel line pressure check.
- Key "OFF".
- Remove fuel pump relay.
- Engine start and wait until engine stop, and then key "OFF".
- Install fuel pump relay.
- Connect fuel pressure gauge using the correct adapter.
- Start the engine, and record fuel pressure.
Specification: Approx. 3.5kgf/cm2 (343.2 kpa, 50psi)
- Is the fuel pressure normal?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Check the supply pressure of fuel pump.
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.