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- Remove the spark plug and install it to the ignition coil.
- Connect the ignition coil connector.
- Disconnect all injector connectors.
- At the engine start, check spark plug produces a spark.
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Q.
Is the check result normal?
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Check Inspection Procedure - ignition circuit system (Refer to ).
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- Injector connector check.
- Injector check (Refer to
).
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Q.
Is the check result normal?
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Repair or replace the connector, or replace the No. 4 injector.
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- Check power supply line for damage.
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Q.
Is the check result normal?
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Repair or replace the connector, or repair the damaged harness wire.
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- Check output line for damage.
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Q.
Is the check result normal?
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Repair or replace the connector, or repair the damaged harness wire.
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- Check the compression pressure (Refer to GROUP 11A - On-vehicle Service - Compression Pressure Check
).
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Q.
Is the check result normal?
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- Reconfirmation of diagnosis code.
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Q.
Is the diagnosis code set?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
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