Hyundai Sonata: General Information / Troubleshooting
| Troubleshooting |
| Symptom | Suspect area |
| Engine will not start or stuggle to start | Vapor hose damaged or disconnected |
| Engine stuggle to start | Malfunction of the Purge Control Solenoid Valve |
| Rough idle or engine stalls | Vapor hose damaged or disconnected |
| Malfunction of the PCV valve | |
| Rough idle | Malfunction of the Evaporative Emission Control System |
| Excessive oil consumption | Positive crankcase ventilation line clogged |
Specifications
Specifications
Purge Control Solenoid Valve (PCSV)
? Specification
ItemSpecificationCoil Resistance (?)22.0 ~ 26.0 [20°C(68°F)]
Fuel Tank Pressure Sensor (FTPS)
? Type: Piezo-Resistive ...
Schematic Diagrams
Schematic Diagram
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Other information:
Hyundai Sonata LF 2014-2019 Service Manual: CVVT & Camshaft Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...
Hyundai Sonata LF 2014-2019 Service Manual: Curtain Airbag (CAB) Module Repair procedures
Removal
1.
Disconnect the battery negative cable and wait for at least 3 minutes before beginning work.
2.
Remove the roof trim.
(Refer to Body - "Roof Trim Assembly")
3.
Disconnect the curtain airbag harness connector.
4.
After loosening the mounting bolts and nuts remove the curta ...