This issue is commonly caused by a weak fuel pump or a bad check valve. When a fuel pump starts failing, it's often when it gets hot. This would explain why it's hard starting after running. The faulty check valve allows fuel pressure to drop off after shutting the car off, and the pump is slow to re-pressurize the system so it'll start again. Once cold, the pump starts functioning normally again until it gets hot, so on cold starts it pressurizes the system quicker for faster starts.
It's likely getting colder in Portland than it was in July when you started this post. The colder weather may keep this from happening as much. Keep an eye on it, especially when Spring comes around and see if it starts acting up again when the weather gets hotter.
It's likely getting colder in Portland than it was in July when you started this post. The colder weather may keep this from happening as much. Keep an eye on it, especially when Spring comes around and see if it starts acting up again when the weather gets hotter.
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