Explorer 2WD V6-245 4.0L SOHC VIN E EFI (1997)
4. Inspect the spark plug.
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Deposits bridging spark plug gap (A).
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Wet black deposits (oil fouling) (B).
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Dry black deposits (carbon fouling) (C).
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Pre-ignition damage (D).
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Deposits fused on spark plug (E).
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Overheating (F).
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Normal spark plug (G).
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NOTE: Platinum enhanced spark plugs should not require adjustment.
5. Adjust the spark plug gap.
INSTALLATION
