Ford F150 the #1 Pickup Truck in the World

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I got a question that I cant seem to find on google or anywhere else


New member
My AC compressor on my F-150 lariat 5.4L 04 makes my engine work harder, I don't know how this is caused or when it started happening because I found out very recently (2 weeks~), and I just want to fix it so I don't have to take it to a shop. if anybody could or want to leave some kind of insight, weather it is helpful or not, anything helps.