3.0 loosing power plugs white - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 02-05-2013
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3.0 loosing power plugs white

I have a 2003 3.0 its run rough for a long time thinking its a valve seat. But lately I have lost a lot of power, I pulled the plugs and they look lean they are white and that's on all cylinders. I did the propane test thinking I have a vacuum leak but the engine idle didn't change. Any other ideas on what it could be thanks.
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