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new injectors and fuel filter, still runs lean.
hey again, sorry it took so long to get back, I was busy up north and in Fargo, i'm officially government property of the U.S. Air Force now! But I did the 2 tests from the videos and it confirmed the MAF sensor was bad, picked one up at O'Rielly's and it runs great now. Had trouble with the...- sophiejoey
- Post #10
- Forum: 1st Gen Ford Expedition Engine & Performance
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new injectors and fuel filter, still runs lean.
ok, I did clean it but I didn't try replacing it, but they're rather spendy. Is there any way to check if it's working right nor not?- sophiejoey
- Post #3
- Forum: 1st Gen Ford Expedition Engine & Performance
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new injectors and fuel filter, still runs lean.
Hey there, I just replaced the fuel filter last month after i got the P0171 and P0174 codes, both banks running lean. After a week I got both codes again so I replaced the 11 year old injectors. Another week later I got the same codes, and its getting worse. It's got 16Hg of vacuum which is way...- sophiejoey
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- Replies: 10
- Forum: 1st Gen Ford Expedition Engine & Performance
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