Engine Control System/Fuel System

Rail Pressure Sensor (RPS) Repair Procedures

6steps
~36min
3/5difficulty
0204060801003526N·mlb·ft
Tightening torque found on this page
Done 0 of 6

Inspection

  1. Connect the GDS to the Data Link Connector (DLC).
  2. Measure the RPS output voltage at idle and at various engine speeds.
    Condition Output voltage (V)
    Idle approx. 1.2
    1500 rpm 2,0 - 2,2
    6300 rpm approx. 2.8

Removal

  1. Turn the ignition OFF and disconnect the negative (-) battery cable.
  2. Release the residual fuel pressure in the fuel line. (Refer to Fuel System - "Release Residual Fuel Pressure in Line")
  3. Remove the alternator. (Refer to Charging System - "Alternator")
  4. Disconnect the rail pressure sensor connector (A), then remove the sensor (B) from the fuel rail.

Installation

  1. Install in the reverse order of removal. Rail Pressure Sensor Installation: 30.0–35 N·m

Test yourself

A quick Hyundai Kona quiz: every answer comes with an explanation and a link to the manual page.