I have a 2000 blazer 2 wheel drive when my engine gets warm accelerating from a dead stop I feel some serious vibration and when shifting it shifts kind of hard not too hard just noticeable any input would be appreciated oh yeah it got better after spraying throotle body cleaner through the little hose coming off the main intake hose it may be unrelated like i said input would be appreciated

 

Oh yeah got significant my better for a few days after changing distribution cap and rotor