Hyundai Sonata LF: 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 Pressure Sensor ? Specification Pressure[kPa (kgf/cm?, in H2O)Output Voltage (V)-6...

    Schematic Diagrams

    S..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Manifold Absolute Pressure Sensor (MAPS) Description and Operation


    Description Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor and is installed on the surge tank. It senses absolute pressure of the surge tank and transfers the analog signal proportional to the pressure to the ECM. By using this signal, the ECM calculates the intake air quantity and engine speed...

    Hyundai Sonata LF 2014-2019 Service Manual: AVN Antenna Repair procedures


    Inspection Glass Antenna Test 1. Wrap aluminum foil (A) around the tip of the tester probe (B) as shown. 2. Touch one tester probe to the glass antenna terminal (A) and move the other tester probe along the antenna wires to check that continuity exists...

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