• There may be some residual pressure even after "Release Residual Pressure in Fuel Line" work, so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.
1.Turn the ignition switch OFF and disconnect the battery (-) cable.
2.Remove the fuel pump fuse (A).

• When removing the fuel pump relay, the Diagnostic Trouble Code (DTC) will be occurred. Therefore delete the code with the diagnostic tool after "Release Residual Pressure in Fuel Line" work.
3.Connect the battery (-) cable.
4.Start the engine and let idle, and then turn the ignition switch OFF after the engine has stopped on its own.
5.Disconnect the battery (-) cable, and then install the fuel pump relay (A).
6.Connect the battery (-) cable.
7.Delete the Diagnostic Trouble Code (DTC) related the fuel pump relay with the diagnostic tool.
Fuel Pressure Test
Fuel TankHyundai Tucson (NX4) 2022-2026 Owner's Manual: Cluster Display Message
(Button type)
Information
The actual message may differ from
the following cluster display message.
The following messages may differ
depending on the vehicle model.
Shifting conditions not met. Reduce
speed, then shift
This message appears when the engine
RPM is too high or when driving too f ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Evaporator Temperature Sensor
- Description
The evaporator temperature sensor will detect the evaporator core
temperature and interrupt compressor relay power in order to prevent
evaporator from freezing by excessive cooling.
- Inspection
1.Turn the ignition switch ON.
2.Turn the A/C swicth ON.
3.Measure resist ...