Sportage 4WD 2Dr L4-2.0L (2002)
Spark Plug: Testing and Inspection
Inspection
1. Reconnect the negative battery cable.
2. Connect the spark plug to the high-tension lead.
3. Hold the spark plug with insulated pliers 0.2 to 0.39 inch (5 - 10 mm) from a ground.
WARNING: DO NOT TOUCH THE VEHICLE BODY DURING NEXT INSTRUCTION.
4. While holding the spark plug, have a second person crank the engine. Verify that a strong blue spark jumps from the spark plug to the ground.
Replace the spark plug if there is no arc.
5. Check for, and implement correction.
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Carbon deposits. Clean out or replace plug.
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Oil fouling. Correct oil problem, replace plug.
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Worn or burnt electrode. If present, replace plug.
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Broken or burnt ceramic insulator. If present replace plug.
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Damaged spark plug ring. If so, replace ring.
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Improper spark plug gap. Regap if possible, otherwise replace.
Gap: 0.039 - 0.043 in (1.0 - 1.1 mm)
