After replacing the Rail Pressure Sensor (RPS), MUST perform the "Component Change Routine" procedure. Otherwise trouble related with engine performance or emission control may occur until ECM learning about the component is over.
Turn ignition switch OFF.
Connect a scan tool to Data Link Connector (DLC).
Turn ignition switch ON.
Select "Vehicle, Model year, Engine, System".
Select "Vehicle S/W Management".
Select "Component Change Routine".
Select "Rail Pressure Sensor Change".
Perform the procedure in accordance with the message.
Turn the ignition switch OFF and disconnect the battery (-) cable.
Disconnect the crankshaft position sensor connector.
Remove the rail pressure sensor (A).
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
Do not use again the used rail pressure sensor.
Rail pressure sensor should be replaced new one because of sealing.
Be sure to perform "Component change routine" procedure after replacing new sensor.
Installation is reverse of removal.
Rail pressure sensor installation bolt:
65.0 ~ 75.0 N.m (6.6 ~ 7.6 kgf.m, 47.9 ~ 55.3 lb-ft)