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Message: <blockquote data-quote="cobrajeff96" data-source="post: 1589350" data-attributes="member: 29141">Part of it is definitely heat related. A hotter engine is harder to restart all on its own (more heat built up in every cable within the engine compartment). My own car experiences this some times, not as much as yours it sounds like, but it still happens. The portion of the fuel lines inside the engine compartment also gets a little cooked, and I have noticed it will take about 5 - 10 seconds for throttle response to be snappy after restarting hot just because of this. This is one way a vented hood will help.Turning over a motor consumes a lot of amps, so it's a bit of a battery drain. If the motor is only idling for a while, the alternator hasn't had enough time to put those amps back in to the system to replenish the ampacity of the battery. If you're asking a 110 or 160 amp alternator to do all the work then I think you have your answer right there, as the alternator must supply the 13 - 15 volts to also power the fuel pump, ignition, lamps, ECU, etc.These stock alternators don't put out enough at idle for you to just leave the A/C on at all times, especially in hotter months with an already hot motor from driving around. You have to at least get some rpms going for a little while.</blockquote>