Hyundai Sonata LF: Engine Control System / Knock Sensor (KS) Schematic Diagrams

Knock Sensor (KS) Specifications

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Knock Sensor (KS) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group)...

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Hyundai Sonata LF 2014-2019 Service Manual: Photo Sensor Repair procedures

Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light...

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Control Valve Specifications

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