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Needle Lift Sensor (NLS) The needle lift sensor is built into the No. 1 nozzle. Its inductive Malfunction is detected when .... Check Items (Possible Cause) ● An improper signal from the sensor is sent to ECM. ● Harness or connectors ● Needle lift sensor ● Air in fuel line ● Clogging No. 1 injection nozzle DIAGNOSTIC TROUBLE CONFIRMATION NOTE: 1) Turn ignition switch to “ON” position and select 2) Start engine and run it for 2 seconds above 1,200 NEF689 Nozzle holder Nozzle Inductive TROUBLE DIAGNOSIS 9 CD20T EC-97 |