Hyundai Tucson: Fuel Delivery System / Release Residual Pressure in Fuel Line
• 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 Pressure Test
1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
• When removing the fuel pump relay ...
Fuel Tank
- Removal
• Be careful not to damage the parts located under the vehicle
(floor under cover, canister, fuel tank) when raising the vehicle using
the lift.(Refer to General ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Description and Operation
- Description
The starting system includes the battery, starter, solenoid switch,
ignition switch, ignition lock switch, connection wires and the battery
cable.When the ignition key is turned to the start position, current
flows and energizes the starter motor's solenoid coil.The solenoid
...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Driver Attention Warning
Operation
Basic function
The Driver Attention Warning informs
you of the "Attention Level" and when to
"Consider taking a break".
Attention level
The driver’s attention level appears on
a scale of 1 to 5. The lower the level, the
sooner you must take a break.
Driver Attention Warning operat ...
