Originally Posted by kenttt

After chasing this "doesn't want to slow down" problem for about three years I've finally resolved it. After replacing both the IAC and the TPS twice, once w/aftermarket and again w/Mopar parts, checked for vacum leaks, checked emissions system, had it into 2 different reputable shops that both said they could fix it and later said there was nothing wrong w/it, I figured it must be in programming, so I ordered a replacement ECM, installed it and problem is finally gone.