Have dtc codes p0171 and p0175. What can be causing this? What is your question?
Also have p0300, p0305, p0307 and p0308. Spark plugs and coil packs are good on these cylinders. Rough idle and poor throttle response.
2005 F-150 5.4
What makes this problem better or worse?
Nothing
How long has your 2005 Ford F-150 had this problem?
Few weeks
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