1990 Toyota Tercel Q&A

1990 Toyota Tercel Question: My car bucks and hesitates when accelerating in 1,2,3,and now 4th gear

My car bucks and hesitates when accelerating in 1,2,3,and now 4th gear. I've change the distributor cap/ plug wires and spark plugs and it keeps happening. Any one k ow how to fix this -
Answer 1
I'd replace the fuel filter. If it's clogged, the engine won't accelerate well so if you don't remember the last time it was replaced, just do it, it's time. -
Comment 1
Backflushed the fuel filter still no change -