gas fouled plugs

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Dec 1, 2014 | 11:16 PM

froggdogg

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Joined: Dec 2014

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gas fouled plugs

I have 1998 f150 4.2v6 started gas fouling plugs. Fouls all plugs very short time. ten miles. It like injectors are overfiring. Dose anyone have any suggestions. Changed plugs for the third time.

Dec 1, 2014 | 11:51 PM

glc

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From: Joplin MO

You may want to pull the injectors and get them bench tested and cleaned.

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