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Re: 1997 EXPEDITION 5.4L FUEL TRIM +
Posted to Technical Discussion Forum on 2/27/2013 2 Replies

this thing is done. after egr installed b1 at +18 and b2 +16. some improvement. this post caught my attention

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i did open air cleaner but did not remove air filter, just let it hang with no change to FT. So i installed a new maf. After 10 minu... Login to read more.

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