Hyundai Sonata: Engine Control / Fuel System / Engine Control System

Troubleshooting
Basic Troubleshooting Basic Troubleshooting Guide Customer Problem Analysis Sheet Basic Inspection Procedure Measuring Condition of Electronic Parts' Resistance The measured resistance at high ...

Description and Operation
OBD-II review 1. Overview The California Air Resources Board (CARB) began regulation of On Board Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model year. The first ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Timing Chain Repair procedures
Removal 1. Turn the crankshaft pulley clockwise, and align its groove with the timing mark of the timing chain cover. 2. Remove the timing chain cover. (Refer to Timing System - "Timing Chain Cover") 3. Align the timing marks of the CVVT sprockets with the upper surface of the cylinde ...

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. 1. Auto light signal2. Auto ...

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