Hyundai Santa Fe (TM): Ignition System / Troubleshooting

Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual / Engine Electrical System / Ignition System / Troubleshooting

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

    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.

    Schematic Diagrams

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Rear Evaporator Core. Repair procedures

    Replacement 1. Remove the rear heater & A/C unit. (Refer to Rear Heater - "Rear Heater Unit") 2. Loosen the mounting screws and remove the rear A/C lower case (A).

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Surround View Monitor (SVM) Unit. Repair procedures

    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the carash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the crash pad center panel.

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