Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Ignition System / Troubleshooting

- Troubleshooting

Trouble symptomProbable causeRemedy
Engine will not start or is hard to
start (Cranks OK)
Ignition lock switchInspect ignition lock switch, or replace as required
Ignition coilInspect ignition coil, or replace as required
Spark plugsInspect spark plugs, or replace as required
Ignition wiring disconnected or brokenRepair wiring, or replace as required
Rough idle or stallsIgnition wiringRepair wiring, or replace as required
Ignition coilInspect ignition coil, or replace as required
Engine hesitates/poor accelerationSpark plugsInspect spark plugs, or replace as required
Ignition wiringRepair wiring, or replace as required

    Description and Operation
    - Description The ignition coil is a kind of small transformer that transforms the battery voltage to 30 kV or more to create a spark in the spark plug gap in the cylinder.The igniter embedded ...

    Schematic Diagrams
    - Schematic Diagrams ...

    Other information:

    Hyundai Tucson (NX4) 2022-2025 Service Manual: Front Wheel Transfer Assembly
    - Removal [A Type]     • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points") 1.Remove the engine room und ...

    Hyundai Tucson (NX4) 2022-2025 Service Manual: Brake Pedal
    - Components 1. Brake member assembly2. Stop lamp switch3. Brake pedal arm assembly4. Brake pedal pad - Removal 1.Turn ignition switch OFF and disconnect the negative (-) battery cable. 2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel") 3.Disconnect the sto ...

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