Engine Control System/Fuel System
Rail Pressure Sensor (RPS) Repair Procedures
In this manual: Engine Control System/Fuel System
6steps
~36min
3/5difficulty
Done 0 of 6
Inspection
- Connect the GDS to the Data Link Connector (DLC).
- 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
- Turn the ignition OFF and disconnect the negative (-) battery cable.
- Release the residual fuel pressure in the fuel line. (Refer to Fuel System - "Release Residual Fuel Pressure in Line")
- Remove the alternator. (Refer to Charging System - "Alternator")
- Disconnect the rail pressure sensor connector (A), then remove the sensor (B) from the fuel rail.

Installation
- 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.
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