What causes a honda accord to not start when hot?
It could be a few things. Weak starter would be the best guess, since the car is 16 years old now. Starters can be bench tested and come up as good, but still be too weak to turn an engine, especially a hot one since the hot metal expands and causes more friction than a cold engine. It could also be a weak alternator or battery or as simple a a ground wire someplace that needs to be cleaned up and re-tightened.
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