car hard to start. Please give me an answer

Have you replaced the plugs?

Yes a year ago and 3/4 coils. so maybe a coil, I'm getting one from rock auto. I took it to Meineke initially and had it for a couple days then gave it back with telling me it was mechanically sound and wires looked good.

Could be that would explain random cranking.

Have the car scanned for code again.If it leads you back to o2 sensors,have the catilac converters checked.

There's a coil in the middle of fire wall on the engine , I forget whats its called . it regulates the fuel to the injectors . Has a 3 prong connector and a tube comes out the end of it . You can't miss it and its a little difficult to get at . If I remember what it is , Ill post it . I had the same problem . The part is bout 60 to 80 dolares but just get it from junkyard .

how did you fix this problem

My neighbor put his machine on my 2017 Hyundai Accent Hatchback because it was doing the same thing your car is doing and it showed him while the check engine light was on that it was the crankshaft sensor so he replaced it and it runs and starts great all you have to do is Google crankshaft sensor for your car and it will show you where that part goes

I am positive that is what it is