Hyundai Sonata LF: Fuel Delivery System / Accelerator Pedal Repair procedures

Filler-Neck Assembly Repair procedures

Removal 1. Turn the ignition seitch OFF and disconnect the battery negative (-) cable. 2. Open the fuel filler door and then remove the filler-neck installation screw (A)...

Delivery Pipe Repair procedures

Removal     In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: A/C Pressure Transducer Description and Operation

Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor when the temperature of refrigerant line is very high or very low irregularly to optimize air conditioning system...

Hyundai Sonata LF 2014-2019 Service Manual: Schematic Diagrams

Schematic Diagram Canister The Canister is filled with charcoal and absorbs evaporated fuel vapor from the fuel tank. The gathered fuel vapor in canister is drawn into the intake manifold by the ECM/PCM when appropriate conditions are set. Purge Control Solenoid Valve (PCSV) The Purge Control Solenoid Valve (PCSV) is installed in the passage connecting the canister to the intake manifold...