ENGINE (J05E)/TROUBLESHOOTING
2–468
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
•
Engine output is insufficient.
<Symptoms on the vehicle due to malfunction>
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Turbocharger noise or damage
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Abnormal consumption of DEF solution
6.
Pre-inspection work
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Check that the battery voltage is in the normal range.
7.
After-inspection work
•
Clear all past DTCs.
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Check that no DTC is stored after test drive.
8.
Estimated failure factors
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Obstruction due to buildup of soot or foreign substances in inlet/outlet of EGR cooler gas passageway
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Obstruction due to buildup of soot or foreign substances in EGR valve.
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Malfunction of intake system
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Air flow sensor failure
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Boost pressure sensor failure
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Intake manifold temperature sensor failure
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SCV failure
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Injector failure