Hello and welcome to 2CarPros. Cars don't like to sit. When they do, little things start to happen. Little things that were already happening become more pronounced. It probably just needs to be cleared out and then driven around for a day or two. Try disconnecting the battery for twenty minutes, then reconnect it. Start it. If it has a hard time idling, do not be alarmed. This is normal for a used car. The computer has been cleared out and has to go through a "relearning" procedure to know what adjustments to make in order to idle the engine. You might have to manually idle it (giving it a just enough gas to keep running) for a few minutes. Once it reliably holds idle, go for a ride. Put some fresh gas in it. If it's not better after a few days, let me know by replying to this thread and we'll get into deeper diagnostics. Thanks for using 2CarPros.
Harry.
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Tuesday, March 12th, 2019 AT 7:06 AM