Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Check Spark Plug
2017 Hyundai Santa Fe SE, FWDSECTION Check Spark Plug
- Check spark plug and ignition coil
- Visually/physically inspect the following items:
- Damaged insulation, Worn electrodes, Oil or fuel fouled, Loose terminals and cracks
- Loose contact of electrical wires
- Poor connection
- Measure resistance of spark plug component.
Specification: 3 ~ 7.5k Ω
- Measure resistance of primary and secondary ignition coil.
Specification: Primary ignition coil: 0.62 ± 10% (20°C (68°F)), Secondary ignition coil: 7.0k ± 15% (20°C (68°F))
- Has a problem been found?
YES
- Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
NO
- Go to next procedure.
- Visually/physically inspect the following items:
- Check Spark Plug
- Visually/physically inspect the following items:
- Damaged insulation, Worn electrodes, Oil or fuel fouled, Loose terminals and cracks
- Check for plug gap: 1.0 ~ 1.1 mm
- Has a problem been found?
YES
- Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
NO
- Go to next procedure.
- Visually/physically inspect the following items:
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.