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Old 03-05-2020, 03:27 PM   #6
sukumizu
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Drives: 6MT '15 BRZ | '89 240sx (sold...)
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Quote:
Originally Posted by Mr.ac View Post
Lol oddly my rpm drops at idle with the ac on. It goes from 900 to 500 then 2 seconds later it up to 900 -ish. But mines a 2013 and it's an known issue from Subaru, not really a problem but if I recall there is a tbs or whatever it's called from the dealer.

As to your problem it's gotta be the tune. That's something I don't know jack about. Hopefully others would chime in on that.

Had this same issue on my car (no ac. Almost never use it) and it went away after flashing my ECU to stage 1 with the OFT. it's smoother than ever now.
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