2012 chevy silverado bank 7 misfire
just picked up a 2012 silverado and 3 days later the engine light comes on and reads bank 7 misfire, idle is rough and when i shut if off, the exhause (pings?) excessively loud (meaning my exhuaust temp is too high?) i got a 6 month warranty on it and have an appointment with the dealer on monday. Just this morning the light went out but the problem still exists. Can anyone shed some light on this issue so i dont get the run around with the dealer?
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