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My plugs have an uneven color? Half good half lean?

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Old 02-28-2007, 05:50 AM
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Default My plugs have an uneven color? Half good half lean?

Picks say a thousand words. Any clue as to why the uneven color? All eight plugs are half and half. Clean like new on one side and a nice brownish onthe other.
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Old 02-28-2007, 08:05 AM
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Is the color split from bank to bank? your o2 sensor may be going out on one side.
Old 02-28-2007, 06:39 PM
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Each plug is half and half. Half white, half brown. Every single one.




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