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").
|
2. |
Install the Special Service Tool (SST).
|
3. |
Inspect fuel leakage on connections among the low fuel feed
tube, the low pressure inlet of high pressure fuel pump, and the SST
components with IG ON. |
4. |
Measure Fuel Pressure.
|
5. |
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line").
|
6. |
Test End
|
Release Residual Pressure in Fuel Line |
Whenever the high pressure fuel pump, fuel pipe, delivery
pipe, or injector is removed immediately after shutting off the engine,
an injury may be caused by the release of highly pressurized fuel.
Release the residual pressure in the high pressure fuel line by
referring to the "Residual fuel pressure release procedure" below before
removing any high pressure fuel system components.
|
Wear safety glasses and fuel resistant gloves.
|
1. |
Turn the ignition off and disconnect the battery negative cable. |
2. |
Remove the fuel pump fuse (A). |
3. |
Reconnect the battery negative cable. |
4. |
Run the engine for about 1 minutes to lower the pressure in the low pressure line. |
5. |
Turn the engine off. |
6. |
Disconnect the low pressure fuel line quick connector at the
High Pressure Pump. Use rags to cover opening and catch spills while
removing the fuel line. |
7. |
Start the engine and let it idle until the engine stops. At this point the pressure should be under 30 psi. |
8. |
Proceed with the service or repair. Use rags to cover opening and catch spills when opening up the high pressure system. |
9. |
Reinstall / re-connect all components in reverse order of
removal. Start engine and confirm proper operation, and make sure there
are no fuel leaks. |
10. |
After completing, clear DTC(s) using GDS scan tool (the procedure described above will cause DTC to set). |
Hyundai Sonata LF 2014-2019 Owners Manual: Immobilizer Indicator Light (With Smart Key)
This indicator light illuminates for up to 30 seconds:
When the vehicle detects the smart key in the vehicle properly while the ignition
switch or the Engine Start/ Stop button is ACC or ON.
- At this time, you can start the engine.
- The indicator light goes off after starting the engine.
This in ...
Hyundai Sonata LF 2014-2019 Owners Manual: AFLS (Adaptive Front Lighting System) a.k.a. DBL (Dynamic Bending Light)
Adaptive front lighting system uses the steering angle and vehicle speed to help
maximize your field of vision by swiveling and leveling the headlamp.
Change the switch to the AUTO position when the engine is running. The adaptive
front lighting system will operate when the headlamps are ON. To t ...