Hyundai Tucson: Engine Control System / 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
2.2 ~ 2.5
6,300 rpm
 Approx. 3.0

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
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.
1.
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 (LM) 2010-2015 Service Manual: Engine And Transaxle Assembly Repair procedures
Removal     • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.     • Mark all wiring and hoses to avoid misconnection. • To rele ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Canister Repair procedures
Removal 1. Remove the fuel tank. (Refer to "Fuel tank" in FL group.) 2. Disconnect the vapor tube quick-connector (A,B) and the ventilation hose (C). 3. Remove the canister in the direction of an arrow after removing the installation screws (D). Inspection 1. Check for the follow ...

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