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Hello all. I'm just checking in with the collective brain to see where I stand on MPG's. I've got a 2007 Limited (4.6L, 4x4) with about 138,000. I just replaced my two front wheel hub assemblies and reset my MPG calculator. I do about 50/50 highway/city driving. I'm sitting at about 16 mpg...

Hello all. I'm not really sure how to explain this noise. It doesn't sound like a bad idler pulley, but I don't know. I've also read that the idle air control valve can cause this type of noise in the intake. Here's a link to a video. https://www.youtube.com/watch?v=IcOl6m3npd8...