Hyundai Sonata: General Information / Troubleshooting
Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / 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
...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting
Trouble SymptomProbable causeRemedyVehicle pulls to one sideScoring of driveshaft ball jointReplaceWear, rattle or scoring of wheel bearingReplaceDefective front suspension and steeringAdjustment or ReplaceVibrationWear, damage or bending of driveshaftReplaceDriveshaft rattle an ...
Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Fuel Pressure Test (Low pressure system)
1.
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line").
When removing the fuel pump fuse, a Diagnostic Trouble Code
(DTC) may occur. Dele ...
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