“Gear Shift Problem, Please Help, I’m Spending Too Much On It”

I got a Honda Accord baby boy recently and the gear shift is draining me off cash… It delays before shifting from one gear to another. Lagos mechanics have scammed me within the last two months and I’m dead broke right now. I need to move the car to Ilorin for business…One said it’s a rewire’s work, rewire did it still the problem persist please what do I need to do I’m a novice please experts should please tell me what the problem could be and what can be done.