Contour Enthusiasts Group Archives Forums General Troubleshooting jerky acceleration..gotten worse

HI all..i've checked the search all over but can't find an exact symptom match...when accelerating from a stand still especially when warm the engine seems to cut out and in while the tranny is trying to shift from first to second..and RPM's go up and down greatly while this is happening...it does'nt feel like the tranny because it shifts fine but the engine jerks while its shifting. today 2 or 3 times when first taking off..before and forward motion happened the engine seemed to cut out totally for a second and the go smoothly...hopefully i've explained this enough and it makes sense..p.s. all tuneup items done recently and this is a atx zetec 1996