Last night trying to start the car, all it does is just cracking on the engine, but wont start. After 2 hour of try, gave up and return next morning and start fine, like nothing happen. My mechinc check the fuel pump and said no problem with the pump. So he check the throttle and said it the throttle and changed it. After one month later have the same problem. On the forum I read said it could be the main relay, So i changed that. I just need some opinion on this.


Before it happen occasionly I would start and the engine would start shacking and stall out.

 

Raining last night?

 

The weather is around 75 Degrees at night time and not raining.

 

The problem with a complaint like this, is you (most times) have to be there when it happens, so that you can check a few things.
What I would suggest: the next time it should happen we (you) have to determine if it's fuel or ignition related.
Throw a spare sparkplug in the glove box
The next time it won't start, pull a plug wire, insert your spare and lay it against the valve cover. You should see a spark (even in daylight). If you do, it's fuel related (and possibly the Main Relay (again).
If you don't, it's ignition related (possible bad Cap, Rotor or Ignitor)

 

the throttle???? what did he change????? it sounds like a typical relay to my amezement i have already replaced a few on 99 accord but next time car does not start , pull the tube going to throttle body and spray some carb cleaner in there DO NOT USE START FLUID ,,,if car starts is is fuel related most likely the relay if still does not start do as P_adams suggested