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We own a 1999 SOHC 4 door 2 wheel drive explorer. I have 71,000 on it and the idle has just gotten a little bit rough. I changed the plugs 5K ago, but the wires are original. At this mileage what are some things I should look at and fix. This is my wife’s vehicle and I want it to run right.
Also I hear a knock is the best way to describe it when I turn sometimes. We have had this car a few years and it has been great and I love it, but because I had my z and other toys never paid much attention to it except for keeping it looking nice and running.
I think it might be the IAC, need to test it since it is not obviously rough. Also what about cleaning the intake and TB how has everyone done it on the 4.0 sohc..