Hyundai Sonata: Fuel Delivery System / Fuel Tank Repair procedures
| Removal |
| 1. |
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel Line") |
| 2. |
Remove the rear seat cushion.
(Refer to Body - "Rear Seat Assembly") |
| 3. |
Remove the fuel pump service cover (A) in the trunk.
|
| 4. |
Disconnect the fuel feed tube quick-connector (A). |
| 5. |
Disconnect the fuel pressure sensor connector (B). |
| 6. |
Disconnect the fuel pump control module (C).
|
| 7. |
Lift the vehicle. |
| 8. |
Remove the main muffer.
(Refer to Engine Mechanical System - "Muffler") |
| 9. |
Support the fuel tank with a jack. |
| 10. |
Disconnect the fuel filler hose (A). |
| 11. |
Disconnect the vapor hose quick-connector (A).
|
| 12. |
Disconnect the fuel tank pressure sensor extension connector (A).
|
| 13. |
Remove the fuel tank bands (A) installation nuts.
|
| 14. |
Remove the fuel tank after removing the fuel tank band (A) as below.
|
| Installation |
| 1. |
Install in the reverse order of removal.
|
Repair procedures
Fuel Pressure Test (Low pressure system)
1.
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line").
...
Fuel Pump Repair procedures
Inspection
[Fuel sender]
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Remove the fuel pump assembly.
3.
Using an ohmmeter, measure the resistance between termi ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Speakers Repair procedures
Inspection
1.
Troubleshooting for Speaker
(1)
Basic inspection of speaker
Inspect the sound from speaker after verifying that the
speaker mounting screws is removed and the wiring connector is connected
precisely to remove vibration transmitted from body trims and
surrounding parts.
...
Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Sensor (FPS) Schematic Diagrams
Circuit Diagram
Fail-Safe Mode
Item Fail-Safe Output Voltage (V) 12
If the fuel pressure sensor malfunctions, it enters fail safe
mode. This means that the fuel pressure rises to match the increasing
value of the current level and the pressure in the low press ...
