P0101 error code-time to clean MAF sensor and throttle body.

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23 CX-5 Premium
2013 2.0 ltr (47k miles) had what felt like an engine misfire the other day which generated P0101 code for MAF sensor. For those of you who have removed and cleaned the throttle body yourself, is it necessary to replace the TB gasket or have you reused the old one. Everything else looks pretty straightforward from the internet videos I've seen.
 
2013 2.0 ltr (47k miles) had what felt like an engine misfire the other day which generated P0101 code for MAF sensor. For those of you who have removed and cleaned the throttle body yourself, is it necessary to replace the TB gasket or have you reused the old one. Everything else looks pretty straightforward from the internet videos I've seen.

I thought MAF sensor was closer to the airbox than the throttle body?
 
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