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chrisgbigman -> help (6/3/2008 9:27:04 AM)
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i have a 03 expedition with 5.4 and it has 7 codes including #6,7,8 miss fire running to rich and running to lean. i hae change the plugs 3 weeks ago whne it did it the first time . at that time only 3 6 was miss firing so i changes the cop it took care of it and 3 weeks later it is back open for any help
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