Inspection Procedure
- CHECK OTHER DTCS
- Connect a Hi-Scan (Pro) to the data link connector.
- Turn ignition switch to ON position and monitor other DTCs.
Are any other DTCs also set?
- No: Go to next step.
- Yes: Do all repairs associated with those codes before proceeding with this procedure.
- CHECK HO2S AND ECM CONNECTORS
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. See CONNECTOR INSPECTION PROCEDURE .
Are all connectors good?
- Yes: Go to next step.
- No: Repair or replace it.
- CHECK INJECTOR
Check the injector for the following items:
- Injector damage
- Injector leakage
Is the injector okay?
- Yes: Go to next step.
- No: Replace it.
- CHECK FUEL LINE PRESSURE
- Release the fuel pressure to install the fuel pressure gauge.
- After tightly installing the fuel pressure gauge to the fuel delivery pipe, start the engine and let it idle.
- Check fuel line pressure.
Is fuel line pressure normal?
- Yes: Proceed with ECM PROBLEM INSPECTION PROCEDURE .
- No: Repair it.