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Short story - so, my wife will drive a car into the ground!

2015 X5 50i

I haven't driven her X5 in months. I drove it the other day. Check engine light is on. Car has serious hesitation at initial acceleration. Almost bogs then a sudden burst. I scan it with my OBD, I can't remember the code, but it = running rich. I start looking at things, the intake boot is cracked and barely hanging on on both sides. I order and replace. Instant improvement in the way it idles and runs. Runs strong. I clear the CEL with my OBD. After about 10 miles, CEL comes back on. I scan it, no codes. I took it to Auto Zone the print out reads - Check Engine:Pass. ABS:Pass. Emission Ready: No
So there is an emissions issue.

There is a little bit of back fire at declaration.

Anyone have any ideas on my issue? No codes but def have the CEL.

Any help is appreciated:

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