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Using Stethoscope
- Using a stethoscope, check the injectors for a clicking sound at idle. Check that the sound is produced at shorter intervals as the engine speed increases.
CAUTION:
Ensure that the sound from an adjacent injector is not being transmitted along the delivery pipe to an inoperative injector.
Courtesy of KIA MOTORS AMERICA, INC.
- If a stethoscope is not available, check the injector operation with your finger. If no vibration is felt, check the wiring connector, injector or injection signal from the ECU.
Courtesy of KIA MOTORS AMERICA, INC.