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Re: 2001 Ford E-250 Lean Codes 5.4L
Posted to Technical Discussion Forum on 8/24/2011

Thought of that, I did recheck all of the connections and they are correct. I cannot detect any misfires and my IDS test for relative compression and misfire are good.

I am awaiting the proper air box and mass air flow sensor for this vehicle, then I will b... Login to read more.