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2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
You'll need a #25 torx driver or socket to change either. While your at it, pull the IAC off the back and clean the carbon off the plunger and out of the throttle body.
You've got a 2001 Ram.
Did you download the FSM?
If so, you might research some of the terms, etc. there.
Throttle Body Position Sensor = RULER! LOL[sm=icon_rofl.gif]