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.
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HOMESERVICE MANUALSHYUNDAI2005SANTA FE GLS, 2.7 D, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2.7L) (2 OF 2)DTC TROUBLESHOOTING PROCEDURESDTC P0300: RANDOM/MULTIPLE CYLINDER MISFIRE DETECTEDSPARK PLUG CABLE INSPECTION
2005 Hyundai Santa Fe GLS, 2.7 D, AWD
Spark Plug Cable Inspection
2005 Hyundai Santa Fe GLS, 2.7 D, AWDSECTION Spark Plug Cable Inspection
- Remove suspect cylinder's spark plug cable.
- Visually/physically inspect the following items:
- Damage, crack and flashover
- Measure the resistance of the spark plug cable referring to specification.
Specification: Spark plug cable (kΩ): 5.6kΩ /m +/- 20%
SPARK PLUG CABLE SPECIFICATIONSSPARK PLUG INSPECTION No. 1 No. 2 No. 3 No. 4 No. 5 No. 6 4.39~6.59 2.28~3.43 3.49~5.24 1.9~2.86 3.25~4.87 1.3~1.95 NOTE: Resistance should not be higher than 10,000Ω per foot of cable. If resistance is higher than specification, replace the cable. - Is resistance within the specification?
YES
- Go to "SPARK PLUG CABLE INSPECTION " procedure.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Remove suspect cylinder's spark plugs.
- 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 (0.039 - 0.043 in.)
- Check if the spark plug for the relevant cylinder is lighter in color than the other plugs.
- Was a problem found in any of the above areas?
YES
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to "FUEL INJECTOR INSPECTION " procedure.
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.