So I get in the car last night after to work and I immediately notice that it's not running properly. It was really sluggish, it kept shifting up too fast and the car was bogged down, step on the accelerator and it wouldn't shift down. So I drove it for a bit and finally had enough and pulled over to the side of the road and opened the hood.

look what I found! It was wedged between the fan shroud and the intake manifold....i guess the mechanic was in a hurry to get my car out of the shop. Piece is part of the air breather assembly and it was sucking hot air from under the hood instead of cold air from the front of the car.

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As soon as I put it back in place PROPERLY the car started running properly. The check engine light went off and it seems to idle properly, wondering if that was the reason the check engine light came back on after it came back from Mazda. I didn't bother scanning it as I was sure it was the same code.