Hyundai Sonata LF 2014-2019 Service Manual: Crankshaft Position Sensor (CKPS) Repair procedures
Inspection
1.
Check signal waveform of CKPS and CMPS using a GDS.
Specification: Refer to “Waveform”
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the crankshaft position sensor connector (A) and remove the sensor (B) af ...
Hyundai Sonata LF 2014-2019 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal
1.
Disconnect the PCV hose (A).
2.
Remove the PCV valve (B).
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves.
If the plunger does not move (PCV valve is clogged), clean or replace the val ...