MAF Sensors

vtec to vvel

I am actually really hesitant/nervous about doing it. I read that it's not part of the recommended maintenance item, and done extensive research about it on both this forum and the G37 forum, and seeing mixed information/stories about cleaning them.

I'm reading from some people are disconnecting the battery, while others don't and that disconnecting will require the relearn procedure; to the relearn procedure not being necessary; to moving the butterfly will mess up the ECU's calibration; to replace/not replace the o-ring, to leaving the TB on/take then off when cleaning, etc.

I've seen youtube videos and seems like a straightforward process, but the differing/contradictory information is what's stopping me.

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