Hyundai Sonata: Rail Pressure Sensor (RPS). Repair procedures - Engine Control System - Engine Control/Fuel System - Hyundai Sonata YF 2011-2019 Service ManualHyundai Sonata: Rail Pressure Sensor (RPS). Repair procedures

Inspection

1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the RPS at idle and various engine speed.
Condition
Output Voltage (V)
Idle
 Approx. 1.2
1,500 rpm
 2.0 ~ 2.2
6,300 rpm
 Approx. 2.8


Removal

1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Release the residual pressure in fuel line (Refer to Release Residual Pressure in Fuel Line in this group).
When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of Release Residual Pressure in Fuel Line work.
3.
Remove the intake manifold (Refer to Intake And Exhaust System in EM group).
4.
Disconnect the rail pressure sensor connector (A), and then remove the sensor (B) from the delivery pipe.


Installation

Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
1.
Installation is reverse of removal.

Rail Pressure Sensor Installation: 18.0 ~ 22.0 N.m (1.8 ~ 2.2 kgf.m, 13.3 ~ 16.2 lb-ft)


    Accelerator Position Sensor (APS). Description and Operation
    Description Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important senso ...

    See also:

    Troubleshooting
    Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies gr ...

    Front Impact Sensor (FIS). Repair procedures
    Removal Removal of the airbag must be performed according to the precautions/ procedures des ...

    Cup holder
    WARNING - Hot liquids Do not place uncovered cups of hot liquid in the cup holder while the vehicle is in motion. If the hot liquid spills, you may burn yourself. Such a burn to the driver c ...