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I'm talking about the ones on the passenger rear side of the engine. There is a rectangular box that has multiple sets of wires going into it. I will pull them and clean the pins. I figure it can't hurt, if any pins are oxidized the signals might be low.
If you're not running VMSPC you should be. http://www.silverleafelectronics.com/node/6
Quite a few of us are using it.