In the 1 hr it will not start you need to check why .
Grab a can of carb cleaner or ether and spray this down the throttle body when cranking over the engine ,
if the engine starts momentary then you have a fuel supplies problem ,fuel pump is overheating and cutting out ,when cooled of will rework until hot again.
If the car does not start then you will have a electrical ignition circuit issue .(Coil you have replaced
Possible Crankshaft sensor ,like the fuel pump will short out when hot and work when cooled off ,this is a very common issue
and the replacement of this part is normally a fix .
Check for any malfunction codes you may have codes that may help you with diagnosing this issue .
Check this then get back to me if needed
with the reply button, and not the poor or bad service, this way i can get back to you or suggest another expert if needed.
If i do not get back to you then i may be off line, and when i get back online i will get back to you..
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Kind regards Greg.