Hyundai Palisade (LX2): Ignition System / Repair procedures

On-vehicle Inspection
Inspect ignition coil assembly and Perform spark test
1.
Check for DTCs.
Hyundai Palisade. Repair procedures   
•
If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC.
(Refer to DTC guide)
2.
Check if sparks occur.
(1)
Remove the engine cover.
(2)
Remove the ignition coils.
(Refer to Engine Electrical System - "Ignition Coil")
(3)
Using a spark plug wrench, remove the spark plugs.
(4)
Disconnect the 6 injector extention connectors.
(5)
Ground the spark plug to the engine.
(6)
Check if sparks occur at each spark plug while engine is being cranked.
Hyundai Palisade. Repair procedures   
•
Do not crank the engine for more then 5 seconds.
3.
If sparks do not occur, perform the following test.

Hyundai Palisade. Repair procedures

4.
Using a spark plug wrench, install spark plugs.
5.
Install the ignition coils.
6.
Install the engine cover.

    Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-programmed in the memory of the ECM (Engine Control Module).

    Troubleshooting Trouble symptom Probable cause Remedy Engine will not start or is hard to start (Cranks OK) Ignition lock switch Inspect ignition lock switch, or replace as required Ignition coil Inspect ignition coil, or replace as required Spark plugs Inspect spark plugs, or replace as required Ignition wiring disconnected or broken Repair wiring, or replace as required Rough idle or stalls Ignition wiring Repair wiring, or replace as required Ignition coil Inspect ignition coil, or replace as required Engine hesitates/poor acceleration Spark plugs and spark plug cables Inspect spark plugs / cable, or replace as required Ignition wiring Repair wiring, or replace as required Poor mileage Spark plugs and spark plug cables Inspect spark plugs / cable, or replace as required

    Other information:

    Hyundai Palisade (LX2) 2020-2025 Service Manual: Components and components location

    Hyundai Palisade (LX2) 2020-2025 Service Manual: Components and components location

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