Hyundai Santa Fe: Engine Control System / Injector. Repair procedures

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Injector. Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the injector connector.
3.
Measure resistance between the injector terminals 1 and 2.
4.
Check that the resistance is within the specification.
Specification : Refer to "Specification"
Removal
1.
Release the residual pressure in fuel line.
Release the residual pressure in fuel line.
2.
Turn the ignition switch OFF and disconnect the battery (-) terminal.
3.
Disconnect the fuel delivery line quick-connector (A).

  
Open the clamp cover (B) before disconnecting the quick-connector. (If the clip is applied)

  
When removing the quick-connnector with the clip removing tool (A), be careful not to damage the plastic clip (B).
If the clip is damaged, it can cause a fuel leak due to bad connection and could result in a fire.

4.
Disconnect the injector connector (A).

5.
Remove the delivery pipe & injector assembly after loosening the bolt (A).
Tightening Torque
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

6.
Remove the injector from the delivery pipe (A) after releasing the fixing clip both side as shown below.

Installation
  
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.
  
Apply the engine oil to the injector O-ring.
  
Inspect the injector O-ring when installing.
1.
Installation is reverse of removal.

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