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Component Inspection

Check PCV
1. IG "OFF"
2. Disconnect PCV.
3. Check that PCV is properly operating.
4. Is the PCV OK?
  YES
  - Go to "Check the PCSV " procedure.
  NO
  - Substitute with a known-good PCV and check for proper operation.
    If the problem is corrected, replace PCV and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

Check the PCSV
1. Ignition "OFF".
2. Disconnect PCSV and Vacuum Hose.
3. Apply vacuum on PCSV with Hand Vacuum Gauge.
4. Is the PCSV keeping the Vacuum?
  YES
  - Go to "Check Injector " procedure.
  NO
  - Substitute with a known-good PCSV and check for proper operation.
    If the problem is corrected, replace PCSV and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

Check Injector

Ignition "OFF"
Remove Injector.
Check for leakage and clogging of Injector.

Measure resistance between terminals 1 and 2 of Injector connector (Component side).

Specification :

RESISTANCE SPECIFICATION

Item	Specification
Coil Resistance (Ω)	13.8~15.2 [20°C 68°F]

Fig 1: Measuring Resistance Between Terminals 1 & 2 Of Injector Connector

Courtesy of KIA MOTORS AMERICA, INC.

Is the measured resistance within specifications?
YES
- Go to "Check sensors related to Fuel Trim " procedure.
NO
- Substitute with a known-good Injector and check for proper operation.
  If the problem is corrected, replace Injector and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

Check Sensors related to Fuel Trim
1. Check the Input Voltage of Sensors related to Fuel Trim (MAPS, TPS, ECTS, PCSV, Injector, etc)
  - Refer to appropriate troubleshooting information.
2. Are the sensors related to Fuel Trim OK?
  YES
  - Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.