Turn over but not start on 2000 Acura RL

Car stopped running twice last week but started back up.
Started this morning drove for 15 minutes. Tried to start later a number of times will turn over but not start. All lights, moniters that should be on are on and will turn over great but not start.

Asked by for the 2000 Acura RL
2 answers
It will need to be checked to see if it's losing spark to the plugs, fuel to the injectors or injectors stopped opening. When this is determined then a diagnosis of that system/circuit should be performed.
main relay is bad