rough idle vortex 1994 s10 blazer 4x4

What is your question?

It has a small flutter in motor when you give gas after drifting on a down hill grade. No engine light on,sensors seem to be working.

What makes this problem better or worse?

does it both hot or cold

How long has your 1994 Chevrolet S10 Blazer had this problem?

about 6-8 weeks