wot
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J
5.4l low power with WOT
Originally I had P0171, P0174 (Bank 1 & 2 lean fuel mixture). I found the air filter damaged likely causing a dirty MAF sensor. I cleaned MAF and reset the CEL codes. Fuel trims seem better so this might have fixed this but during test driving I found it has little power at ~80% to WOT. If you...- jeffro
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- 5.4 low power wot
- Replies: 8
- Forum: 1st Gen Ford Expedition Engine & Performance
