Originally Posted by
prelude
I guess your 4.6 has an older style intake to fit the rrc. Is it fuel injected and if so what system? Anyway, the first thought is that round plastic thing in the first picture with the brown and green wire, that is either a TPS or it is your idle air. Hard to see on the pics. It seems to be in line with the intake butterfly valve so that could suggest TPS.
My second guess would be the device with the green plug and the rubber hose on the other side of the intake cover. I am not familiar with this setup though so these are only guesses.
Cheers,
-P
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