Re: 02 4.7 Throttle position sensor
I went through a similar experience on my '04 with the HO when I got it. Did you go with an aftermarket or Mopar piece? I went with the Mopar piece after reading tons of stuff on teh interwebz.
2004 Columbia Edition WJ 4.7 HO
RB4/Moog HD Steering Stabilizer/PML trans pan 10304/OME 10MM Spacers/Bilstein shocks/Rubicon Moabs/255/65r17 Cooper Discoverer AT3/Factory chrome tow hooks/Mopar hitch & a loose nut behind the wheel