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- After erasing the diagnosis code through M.U.T.-III, operate the engine in
the warm-up state and confirm and confirm whether the diagnosis code is output
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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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- Remove the No.1 fuel injection pipe.
- Check whether No.1 fuel injection pipe is clogged or not.
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Clean or replace the No. 1 fuel injection pipe.
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Replace the No.1 injector. After replacing the injector, register the injector
identification code and learn fuel injection (Refer to GROUP 00 - Precautions Before Service - What
The Common Rail Engine Learns ). Then go to Step 3 .
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- After erasing the diagnosis code through M.U.T.-III, operate the engine in
the warm-up state and confirm and confirm whether the diagnosis code is output.
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Q.
Is the diagnosis code set?
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Replace the engine-ECU. When the engine-ECU is replaced, write the chassis number
(Refer to GROUP 00 - How to Perform Chassis Number Writing ).
After replacing the engine-ECU, register the injector identification code and learn fuel injection (Refer
to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
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