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Alright guys I need some more advice, tell me if this happens to any of you too. I have a 2013 Boss, all stock and no tune. Any time I disconnect the battery and start the car for the first time after, it starts out fine but then after a few seconds the idle starts fluctuating, the engine sounds like it's cammed, and the exhaust starts popping loudly. It feels like the engine is bogging down and going to die, and I have to give it a little gas and it stabilizes. Also, when I let the car sit for a week and start it up again, I have to keep my foot on the clutch until it transitions from its cold idle to warm idle, otherwise the same thing happens. Is this considered normal for these cars, or is it an indication that something is failing? I'm wondering if it is connected to the P219A code I popped last week. Thanks for any help