Hyundai Tucson: Engine Control System / Rail Pressure Sensor (RPS) Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Engine Control / Fuel System / Engine Control System / Rail Pressure Sensor (RPS) Repair procedures

Inspection

1.	Connect the GDS on the Data Link Connector (DLC).

Measure the output voltage of the RPS at idle and various engine speed.

Condition	Output Voltage (V)
Idle	Approx. 1.2
1,500 rpm	2.2 ~ 2.5
6,300 rpm	Approx. 3.0

Removal

1.	Turn the ignition switch OFF and disconnect the battery negative (-) cable.

Release the residual pressure in fuel line.

(Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel Line")

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 Engine Mechanical System - “Intake And Exhaust System”)

4.	Remove the injector foam (A).

5.	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.

Install in the reverse order of removal.

Rail Pressure Sensor Installation:

30.0 ~ 35.0 N.m (3.0 ~ 3.6 kgf.m, 22.1 ~ 25.8 lb-ft)

Rail Pressure Sensor (RPS) Schematic Diagrams

Circuit Diagram (M/T) (A/T) ...

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 sensors ...

Other information:

Hyundai Tucson (NX4) 2022-2023 Owner's Manual: To set vehicle distance
Each time the button is pressed, the vehicle distance changes as follows: If you drive at 56 mph (90 km/h), the distance is maintained as follows: Distance 4 - about 172 feet (53 m) Distance 3 - about 130 feet (40 m) Distance 2 - about 106 feet (30 m) Distance 1 - about 82 feet (25 m ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Driving your vehicle
WARNING Carbon monoxide (CO) gas is toxic. Breathing CO can cause unconsciousness and death. Engine exhaust contains carbon monoxide which cannot be seen or smelled. Do not inhale engine exhaust. If at any time you smell engine exhaust inside the vehicle, open the windows immediately. Exposure ...